artefacts

108,463 rows sorted by group1 descending

✎ View and edit SQL

This data as json, CSV (advanced)

Link rowid artifactNumber ObjectName GeneralDescription model SerialNumber Manufacturer ManuCountry ManuProvince ManuCity BeginDate EndDate date_qualifier patent NumberOfComponents ArtifactFinish ContextCanada ContextFunction ContextTechnical group1 ▲ category1 subcategory1 group2 category2 subcategory2 group3 category3 subcategory3 material Length Width Height Thickness Weight Diameter image thumbnail
216 216 1966.0190.001 Vacuum tube GLASS/ METAL/ BAKELITE/ CARDSTOCK RAC3   MYERS E.B. CO. LTD. Canada Qu√©bec Montr√©al 1920 1928 circa CANADA: 299 182; 229 183; 229 184 1 ONE BLACK CAP AND ONE WINE CAP/ UNCOLOURED GLASS/ BEIGE BOX WITH RED & BLACK PRINTING THIS TUBE TYPE WAS ORIGINALLY MADE IN THE US IN JERSEY CITY NJ BUT AS IT INFRINGED OTHER THREE ELEMENT TUBE PATENTS SPECIAL PATENTS WERE TAKEN OUT BY MYERS IN CANADA AND MANUFACTURE OF THIS TUBE CEASED IN THE US USED TO DETECT AMPLIFY OR OSCILLATE RADIO WAVES IN A RADIO RECEIVER WIDE SEPARATION OF THE GRID AND ANONDE LEADS TENDED TO PROVIDE LOW DIRECT CAPITANCE WHICH MADE THE TUBE USABLE AT HIGHER FREQ. THAN SINGLE-ENDED TUBES Vacuum Tubes Receiving Triode             glass->;metal->;synthetic->bakelite;paper 8.7 1.9         http://source.techno-science.ca/artifacts-artefacts/images/1966.0190.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0190.001.aa.cs.thumb.png  
358 358 1966.0251.001 Vacuum tube GLASS ENVELOPE/ METAL & SYNTHETIC WORKING PARTS/ SYNTHETIC BASE 6K7G   Marconi Canada     1935 1955 between   1 UNCOLOURED GLASS PARTIALLY SILVERED/ BLACK BASE WITH ORANGE PRINTING. MADE IN CANADA CLASS "A" AMPLIFIER. TYPE SAMPLE OF TUBE THAT WAS WIDELY USED IN RADIO RECEIVERS IN THE RADIO FREQUENCY SECTION (GLASS VERSION) Vacuum Tubes Receiving Pentode             glass;metal;synthetic 10.8 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0251.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0251.001.aa.cs.thumb.png  
359 359 1966.0252.001 Vacuum tube METAL/ SYNTHETIC 6H6   Marconi Canada     1935 1955 between   1 METAL TOP BLACK PAINT/ BLACK BASE/ SILVER PRINTING MADE IN CANADA USED AS A DETECTOR LOW VOLTAGE RECTIFIER AND AVC TUBE IN RADIO RECEIVERS TYPE SAMPLE OF WIDELY USED DUAL DIODE TUBE Vacuum Tubes Receiving Multi-unit             metal;synthetic 4.2 3.3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0252.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0252.001.aa.cs.thumb.png  
360 360 1966.0253.001 Vacuum tube METAL/ SYNTHETIC BASE 6K7   Rogers Canada     1935 1955 between CANADA: 33-50 1 BLACK PAINT/ YELLOW PRINTING/ BLACK BASE MADE IN CANADA USED IN RF AND IF STAGES OF RADIO RECEIVERS TYPE SAMPLE OF METAL VERSION OF WIDELY USED TUBE Vacuum Tubes Receiving Pentode             metal;synthetic 7.5 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0253.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0253.001.aa.cs.thumb.png  
361 361 1966.0254.001 Vacuum tube METAL/ SYNTHETIC BASE 6SA7   Westinghouse       1948   circa PATENTED 1925-1942 1 BLACK PAINT WITH ORANGE PRINTING/ BLACK BASE PROBABLY USED IN CANADA USED AS A COMBINATION OSCILLATOR MIXER AND FIRST DETECTOR IN A SUPERHETERODYNE RADIO RECEIVER FIRST SINGLE-ENDED CONVERTER Vacuum Tubes Receiving Heptode             metal;synthetic 6.5 3.3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0254.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0254.001.aa.cs.thumb.png  
362 362 1966.0255.001 Vacuum tube GLASS ENVELOPE/ METAL WORKING PARTS 12AX7A   RCA United States of America     1947   after   1 UNCOLOURED GLASS/ ORANGE PRINTING/ SILVERED AT TOP.   MINIATURE TYPE USED AS PHASE INVERTER OR TWIN RESISTANCE-COUPLED AMPLIFIER IN RADIO EQUIPMENT. AN 'IMPROVED' VERSION OF THE 12AX7 TUBE/ TYPE SAMPLE OF HIGH-MU TWIN TRIODE Vacuum Tubes Receiving Multi-unit             glass;metal 5.5 2.1         http://source.techno-science.ca/artifacts-artefacts/images/1966.0255.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0255.001.aa.cs.thumb.png  
363 363 1966.0256.001 Vacuum tube GLASS ENVELOPE/ METAL WORKING PARTS 6CZ5   RCA United States of America     1960 1979 between   1 UNCOLOURED GLASS/ SILVER PRINTING PROBABLY USED IN CANADA MINIATURE TYPE USED AS A VERTICAL-DEFLECTION AMPLIFIER IN HIGH- EFFICIENCY DEFLECTION CIRCUITS OF COLOR AND B&W TELEVISION RECEIVERS & IN THE AUDIO OUTPUT STAGE OF T.V. & RADIO RECEIVERS. TYPE SAMPLE OF TUBE USED EXTENSIVELY IN B&W AND COLOUR T.V. RECEIVERS Vacuum Tubes Receiving Pentode             glass;metal 6.4 2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0256.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0256.001.aa.cs.thumb.png  
364 364 1966.0257.001 Vacuum tube GLASS ENVELOPE/ METAL WORKING PARTS/ CARDSTOCK BOX 4HA5 8214 PHILIPS England     1960 1979 between   1 UNCOLOURED GLASS WITH SILVERING AT TOP/ GREY & GOLD PRINTING/ ORANGE BOX WITH BLACK & WHITE PRINTING MAY HAVE BEEN USED IN CANADA MINIATURE TYPE USED AS R-F AMPLIFIER TUBE IN VHF TELEVISION TUNERS. TYPE SAMPLE OF HIGH-MU TRIODE WITH 4 VOLT FILAMENT Vacuum Tubes Television Triode             glass;metal 4.1 1.7         http://source.techno-science.ca/artifacts-artefacts/images/1966.0257.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0257.001.aa.cs.thumb.png  
481 481 1966.0304.001 Adapter vacuum tube METAL SYNTHETIC CERAMIC JAN/807   Westinghouse Canada             1 BROWN OUTSIDE/ WHITE CERAMIC INSET   TO ENABLE AN 8 OCTAL VACUUM TUBE TO BE INSERTED IN A 5 PIN OPENING   Vacuum Tubes Vacuum tube parts               metal;synthetic;ceramic 4.7 3.5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0304.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0304.001.aa.cs.thumb.png  
482 482 1966.0305.001 Vacuum tube GLASS/ SYNTHETIC/ CERAMIC/ METAL HRP2/100/1.6/ASB 208-096 AEG Germany             2 UNCOLOURED GLASS/ BLACK BASE CAP RIM & MIDDLE SECTION/ BLACK PRINTING ON TOP   TO TRANSLATE ELECTRICAL SIGNALS TO A VISIBLE PATTERN ON THE FACE OF THE TUBE/ THE PATTERN IS SEEN AS A SPOT OR SPOTS WHICH CHANGE POSITION IN ACCORDANCE WITH THE SIGNALS.   Vacuum Tubes Test equipment Cathode Ray             glass;synthetic;ceramic;metal 38 10.5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0305.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0305.001.aa.cs.thumb.png  
534 534 1966.0332.001 Vacuum tube PAPERSTOCK BOX/ GLASS ENVELOPE/ METAL & SYNTHETIC WORKING PARTS/ SYNTHETIC BASE 227A   Canadian General Electric Co. Canada     1926 1927 circa PATENT DATES 1914 TO 1928 1 GREEN BLACK & WHITE PRINTING ON BOX/ UNCOLOURED GLASS/ BLACK BASE A CANADIAN MADE AC TUBE THAT WAS A VARIANT OF A U.S. TUBE TO ALLOW FOR LOW GRADE AMPLIFICATION & DETECTION FIRST TUBE THAT FILAMENT COULD BE OPERATED ON ALTERNATING CURRENT/ ONE OF THE FIRST TUBES TO USE A HEATER (FILAMENT) Vacuum Tubes Receiving Triode             paper;glass;metal;synthetic 5.8 5.7 13       http://source.techno-science.ca/artifacts-artefacts/images/1966.0332.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0332.001.aa.cs.thumb.png  
535 535 1966.0333.001 Vacuum tube GLASS ENVELOPE/ SYNTHETIC BASE/ PAPER LABEL/ METAL & SYNTHETIC WORKING PARTS 227   Westinghouse United States of America     1925 1926 circa   1 UNCOLOURED GLASS/ BLACK BASE/ WHITE LABEL WITH ORANGE BORDER & BLACK PRINTING   TO ALLOW FOR LOW GRADE AMPLIFICATION & DETECTION   Vacuum Tubes Receiving Triode             glass;metal;synthetic;paper   4.4 11       http://source.techno-science.ca/artifacts-artefacts/images/1966.0333.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0333.001.aa.cs.thumb.png  
536 536 1966.0334.001 Vacuum tube GLASS ENVELOPE/ METAL BASE PRONGS CAP & WORKING PARTS/ SYNTHETIC BOTTOM & WORKING PARTS 6A8   Rogers Canada     1935   circa   1 UNCOLOURED GLASS ENVELOPE WITH BLACK INTERIOR PAINT/ UNFINISHED METAL/ BLACK BOTTOM PANEL   USED AS A COMBINATION OSCILLATOR MIXER AND FIRST DETECTOR IN A SUPERHETERODYNE RADIO RECEIVER   Vacuum Tubes Receiving Heptode             glass;metal;synthetic 8.3 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0334.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0334.001.aa.cs.thumb.png  
537 537 1966.0335.001 Vacuum tube METAL/ SYNTHETIC/ GLASS 6L6   General Electric United States of America     1936 1956 circa   1 PAINTED BLACK WITH RED PRINTING   IT WAS WIDEST USED IN HIGH POWER AMPLIFIERS IN CLASS AB MODE WORLD'S FIRST BEAM POWER TETRODE Vacuum Tubes Receiving Pentode             metal;synthetic;glass 10.6 4         http://source.techno-science.ca/artifacts-artefacts/images/1966.0335.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0335.001.aa.cs.thumb.png  
538 538 1966.0336.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 6L6G   Westinghouse Radiotron United States of America     1937   circa PATENTED 1926-1943 1 UNCOLOURED GLASS/ BLACK BASE WITH RED PRINTING   USED IN HIGH POWER AMPLIFIERS   Vacuum Tubes Receiving Pentode             glass;metal;synthetic 13.4 5.1         http://source.techno-science.ca/artifacts-artefacts/images/1966.0336.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0336.001.aa.cs.thumb.png  
564 564 1966.0350.001 Vacuum tube CARDSTOCK BOX/ GLASS ENVELOPE/ METAL BASE/ METAL GLASS & SYNTHETIC WORKING PTS TUNGAR 189049   General Electric Co. United States of America     1950 1969 circa   1 BOX: 'BRICK' COLOR WITH BLUE PRINTING/ UNCOLOURED GLASS ENVELOPE/ GOLD COLOR SCREW BASE   USED IN BATTERY CHARGERS FIRST GAS-FILLED RECTIFIERS DEVELOPED/ WAS THE MOST WIDELY USED THERMIONIC RECTIFIER FOR BATTERY CHARGING PURPOSES RIGHT UP TO THE ADVENT OF MODERN SOLID-STATE DEVICES Vacuum Tubes Receiving Rectifying             paper->cardboard;glass;metal;synthetic 17 8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0350.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0350.001.aa.cs.thumb.png  
565 565 1966.0351.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ PAPER DV3   Deforest Radio Co. United States of America     1925 1927 between USA: 1-15-07/ 12-18-08/ 12-20-10/ 6-3-19/ 5-1-23/ 7-4-22 1 BROWN BASE/ SILVERED GLASS/ ORANGE & BLACK DECAL   TO DETECT INCOMING RADIO WAVES TO A RECEIVER FIRST OF THE DEFOREST TUBES USING ISOLANITE FOR A BASE AND YTTRIUM FILAMENTS Vacuum Tubes Receiving Triode             glass;synthetic;metal;paper 8.5 3.5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0351.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0351.001.aa.cs.thumb.png  
566 566 1966.0352.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 5U4GB   RCA Japan     1956   circa   1 UNCOLORED GLASS/ BLACK BASE/ BLUE PRINTING   TO RECTIFY MULTI-TUBE RECEIVERS FINAL VERSION OF THE 5Z3 TYPE RECTIFIER Vacuum Tubes Receiving Rectifying             glass;metal;synthetic 10.4 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0352.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0352.001.aa.cs.thumb.png  
567 567 1966.0353.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ CARDSTOCK 6X4   Canadian Westinghouse Co. Ltd. Canada Ontario Hamilton 1945   circa   1 UNCOLOURED GLASS WITH YELLOW PRINTING/ BLUE ORANGE & WHITE BOX   USED IN AUTOMOBILE RADIO RECEIVERS OR FOR AC OPERATED RECEIVERS WHERE CURRENT DEMAND IS LOW EARLY INDIRECTLY-HEATED RECTIFIER/ ONLY 6.3V 7-PIN MINIATURE RECTIFIER DEVELOPED Vacuum Tubes Receiving Rectifying             glass;metal;synthetic;paper 6.3 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0353.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0353.001.aa.cs.thumb.png  
568 568 1966.0354.001 Vacuum tube METAL/ SYNTHETIC 6V6   Marconi United States of America     1937 1939 between   1 MATTE BLACK WITH RED & GREY PRINTING   USED AS AN OUTPUT AMPLIFIER IN AUTOMOBILES; IN BATTERY OPERATED & OTHER TYPE OF RECEIVERS IN WHICH REDUCED PLATE-CURRENT DRAIN IS DESIRABLE FIRST LOWER POWER VERSION OF THE BEAM POWER AMPLIFIER Vacuum Tubes Receiving Tetrode             metal;synthetic 8 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0354.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0354.001.aa.cs.thumb.png  
569 569 1966.0355.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ PAPER WX12   Canadian Westinghouse Co. Ltd. Canada Ontario Hamilton 1925   circa   1 TUBE: SILVERED GLASS BLACK BASE/ BOX: RED WHITE & BLACK   USED AS A RADIO DETECTOR & AUDIO AMPLIFIER IN DRY CELL OPERATED RADIO RECEIVERS   Vacuum Tubes Receiving Triode             glass;paper;metal;synthetic 9 3.7         http://source.techno-science.ca/artifacts-artefacts/images/1966.0355.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0355.001.aa.cs.thumb.png  
570 570 1966.0356.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ CARDSTOCK 1R5   PHILCO CORP. OF CANADA LTD. Canada Ontario Toronto 1940   circa   1 TUBE: UNCOLOURED GLASS WITH ORANGE PRINTING/ BOX: BLUE & YELLOW   USED AS A COMBINATION OSCILLATOR MIXER AND FIRST DETECTOR IN A SUPERHETERODYNE RADIO RECEIVER FIRST OF THE 'BUTTON BASE' MINIATURE TYPE RANGE ORIGINALLY DEVELOPED BY RCA Vacuum Tubes Receiving Heptode             glass;metal;paper;synthetic 5.2 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0356.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0356.001.aa.cs.thumb.png  
571 571 1966.0357.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 10   Marconi Canada     1934   circa   1 UNCOLOURED GLASS/ BLACK BASE/ SILVER & WHITE PRINTING   USED AS AN AUDIO-FREQUENCY AMPLIFIER IN EQUIPMENT DESIGNED FOR ITS CHARACTERISTICS   Vacuum Tubes Receiving Triode             glass;metal;synthetic 13.2 5.4         http://source.techno-science.ca/artifacts-artefacts/images/1966.0357.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0357.001.aa.cs.thumb.png  
572 572 1966.0358.001 Vacuum tube METAL/ SYNTHETIC 25Z6   RAYTHEON United States of America     1937   circa   1 BLACK WITH ORANGE PRINTING   USED AS A RECTIFIER IN PORTABLE AC/DC RADIO RECEIVERS ONE OF THE EARLY RECTIFIERS DESIGNED TO BE USED BOTH IN THE HALF-WAVE MODE AND ALSO AS A FULL-WAVE VOLTAGE-DOUBLER WHEN 110 VOLTS FROM THE STANDARD MAINS SUPPLY WAS AVAILABLE Vacuum Tubes Receiving Rectifying             metal;synthetic             http://source.techno-science.ca/artifacts-artefacts/images/1966.0358.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0358.001.aa.cs.thumb.png  
573 573 1966.0359.001 Vacuum tube GLASS/ METAL/ BAKELITE 6SN7GT   Rogers Canada     1940 1949 between   1 UNCOLOURED GLASS/ BLACK BASE WITH YELLOW PRINTING   USED AS A PHASE INVERTER OR RESISTANCE-COUPLED AMPLIFIER IN RADIO EQUIPMENT MADE USE OF NUMBER ONE BASE PIN SO THAT ALL 8 CONTACT PINS WERE AVAILABLE FOR ELEMENT CONNECTIONS WHICH ALLOWED FOR PRODUCTION IN SINGLE-ENDED FORM Vacuum Tubes Receiving Multi-unit             glass->;metal->;synthetic->bakelite 7.2 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0359.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0359.001.aa.cs.thumb.png  
574 574 1966.0360.001 Vacuum tube GLASS/ METAL 12AX7   Rogers Canada     1948   circa CANADA: 1943-60 1 UNCOLOURED GLASS WITH GREEN PRINTING   TO AMPLIFY THE VOLTAGE IN THE OUTPUT STAGE OF PORTABLE OR COMPACT RADIO EQUIPMENT ONE OF THE FIRST TYPES OF NOVAL-BASED MINIATURE TUBES INTRODUCED Vacuum Tubes Receiving Multi-unit             glass;metal 5.4 2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0360.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0360.001.aa.cs.thumb.png  
575 575 1966.0361.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ CARDSTOCK 7A8   ROGERS MAJESTIC ELECTRONICS LTD. Canada Ontario Toronto 1939   circa   1 TUBE: UNCOLOURED GLASS WITH YELLOW PRINTING/ UNFINISHED METAL BASE/ BOX: RED WHITE & NAVY   USED AS A CONVERTER & MIXER IN RECEIVERS THE FIRST & ONLY AMERICAN TYPE OCTODE/ ORIGINALLY DEVELOPED BY SYLVANIA Vacuum Tubes Receiving Octode             glass;metal;paper;synthetic 7 3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0361.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0361.001.aa.cs.thumb.png  
576 576 1966.0362.001 Vacuum tube GLASS/ METAL/ BAKELITE/ CARDSTOCK 6SL7GT   ROGERS ELECTRONIC TUBES Canada Ontario Toronto 1940 1949 between   1 TUBE: UNCOLOURED GLASS/ BLACK BASE/ WHITE PRINTING/ BOX: YELLOW & GREEN     MADE USE OF NUMBER ONE BASE PIN SO THAT ALL 8 CONTACT PINS WERE AVAILABLE FOR ELEMENT CONNECTIONS WHICH ALLOWED FOR PRODUCTION IN SINGLE-ENDED FORM Vacuum Tubes Receiving Multi-unit             glass->;paper->;synthetic->bakelite;metal 6.7 2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0362.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0362.001.aa.cs.thumb.png  
577 577 1966.0363.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 0Z4G   Sylvania United States of America     1936 1946 circa   1 UNCOLOURED GLASS/ BLACK BASE WITH YELLOW PRINTING   USED AS A RECTIFIER IN CAR RADIOS ONE OF THE LAST GASEOUS RECTIFIER TYPES DEVELOPED BY RAYTHEON WHO WERE SUCCESSFUL PROMOTERS OF RECTIFIERS IN THE 1920'S & 1930'S Vacuum Tubes Receiving Rectifying             glass;synthetic;metal 6 2.5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0363.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0363.001.aa.cs.thumb.png  
578 578 1966.0364.001 Vacuum tube GLASS/ METAL/ PAPER 12AT7   RCA Victor Co. Ltd. Canada Qu√©bec Montr√©al 1948   circa   1 TUBE: UNCOLOURED GLASS WITH WHITE PRINTING/ BOX: RED WITHBLACK & WHITE PRINTING   TO AMPLIFY THE VOLTAGE IN THE OUTPUT STAGE OF A RECEIVER ONE OF THE FIRST TYPES OF NOVAL-BASED MINIATURE TUBES INTRODUCED Vacuum Tubes Receiving Multi-unit             glass;metal;paper 5.5 2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0364.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0364.001.aa.cs.thumb.png  
579 579 1966.0365.001 Vacuum tube METAL/ SYNTHETIC 6K8   RCA United States of America     1938   circa   1 BLACK WITH SILVER PRINTING   USED AS A COMBINED MIXER & OSCILLATOR FIRST TRIODE-HEXODE DEVELOPED IN THE U.S./ CAPABLE OF IMPROVED S-W PERFORMANCE Vacuum Tubes Receiving Multi-unit             metal;synthetic 7.5 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0365.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0365.001.aa.cs.thumb.png  
580 580 1966.0366.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ CARDSTOCK 6J6   Canadian Westinghouse Co. Ltd. Canada Ontario Hamilton 1942 1970 between   1 UNCOLOURED GLASS/ BOX: ORANGE BLUE & WHITE   USED AS A POWER AMPLIFIER BOTH CLASS A TWIN AMPLIFIER OR A CLASS C PUSH-PULL AMPLIFIER ONE OF THE FIRST TYPES OF 7-PIN BUTTON BASE INDIRECTLY HEATED MINIATURES Vacuum Tubes Receiving Multi-unit             glass;metal;synthetic;paper 5.3 2.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0366.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0366.001.aa.cs.thumb.png  
581 581 1966.0367.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 7S7   Sylvania United States of America     1946   circa   1 UNCOLOURED GLASS/ GREEN & RED PRINTING   USED AS A COMBINED MIXER & OSCILLATOR FINAL DEVELOPMENT IN THE USA OF FREQUENCY CHANGERS/ IT IS ESSENTIALLY A TRIODE-HEXODE MODIFIED BY THE ADDITION OF A SUPPRESSOR GRID TO THE HEXODE SECTION Vacuum Tubes Receiving Multi-unit             glass;metal;synthetic 6.5 3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0367.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0367.001.aa.cs.thumb.png  
582 582 1966.0368.001 Vacuum tube GLASS/ ALUMINUM/ METAL/ SYNTHETIC 7Y4   Rogers Canada     1937   circa   1 UNCOLOURED GLASS WITH YELLOW PRINTING/ ALUMINUM BASE   USED IN SMALL AC POWERED RECEIVER OR IN CAR RADIOS AS A RECTIFIER FIRST LOCTAL INDIRECTLY-HEATED RECTIFIER Vacuum Tubes Receiving Rectifying             glass->;metal->aluminum;synthetic 6.9 2.9         http://source.techno-science.ca/artifacts-artefacts/images/1966.0368.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0368.001.aa.cs.thumb.png  
583 583 1966.0369.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ CARDSTOCK 5V4G   Canadian Marconi Co. Canada     1937   circa   1 UNCOLOURED GLASS/ BLACK BASE WITH RED PRINTING/ BOX: RED WHITE & BLACK   USED IN TRANSFORMER POWERED RECEIVERS TO RECTIFY AC CURRENT TO DC THE ONLY INDIRECTLY-HEATED RECTIFIER WITH AN OCTAL BASE IN THE RANGE Vacuum Tubes Receiving Rectifying             glass;synthetic;metal;paper 11.4 4.4         http://source.techno-science.ca/artifacts-artefacts/images/1966.0369.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0369.001.aa.cs.thumb.png  
584 584 1966.0370.001 Vacuum tube GLASS/ METAL/ PAPER/ SYNTHETIC 6C4   Canadian Westinghouse Co. Ltd. Canada Ontario Hamilton 1942 1970 between   1 UNCOLOURED GLASS WITH YELLOW PRINTING/ BOX: WHITE BLACK & GOLD   USED AS A CASCODE AMPLIFIER IN VHF COLOUR LOCAL OSCILLATOR IN FM AND OTHER HF CIRCUITS AND AS A CLASS C RF AMPLIFIER ONE OF THE FIRST TYPES OF 7-PIN BUTTON BASE INDIRECTLY- HEATED MINIATURES Vacuum Tubes Receiving Triode             glass;metal;paper;synthetic 5.5 2.3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0370.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0370.001.aa.cs.thumb.png  
587 587 1966.0373.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 6SN7GTB   Westinghouse Canada     1958   circa   1 UNCOLOURED GLASS/ BLACK BASE WITH WHITE PRINTING   USED AS A 6.3 V CLASS A AMPLIFIER IN A TELEVISION SET USING SERIES STRINGS EXAMPLE OF TUBE WITH A 'SHORT INTERMEDIATE OCTAL' BASE/ IT IS IDENITCAL TO MODEL 6SN7GTA EXCEPT FOR HEATER RATING Vacuum Tubes Receiving Multi-unit             glass;metal;synthetic 8.2 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0373.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0373.001.aa.cs.thumb.png  
588 588 1966.0374.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ CARDSTOCK 6A7   Canadian General Electric Co. Ltd. Canada     1933   after   1 UNCOLOURED GLASS; BLACK BASE WITH ORANGE PRINTING/ GREY ORANGE & WHITE BOX WITH BLACK PRINTING   USED AS A COMBINATION OSCILLATOR MIXER AND FIRST DETECTOR IN A SUPERHETERODYNE RADIO RECEIVER FIRST MODIFICATION OF THE 2A7 TYPE TUBE Vacuum Tubes Receiving Heptode             glass;metal;synthetic;paper 10.9 3.7         http://source.techno-science.ca/artifacts-artefacts/images/1966.0374.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0374.001.aa.cs.thumb.png  
589 589 1966.0375.001 Vacuum tube GLASS/ METAL 6AT6   Westinghouse United States of America     1945   circa   1 UNCOLOURED GLASS WITH WHITE PRINTING   TO ACT AS A CLASS A AMPLIFIER IN A RADIO RECEIVER AND AN AF AMPLIFIER AND DETECTOR FOR TELEVISIONS EXAMPLE OF EARLY POST WWII MINIATURE Vacuum Tubes Receiving Multi-unit             glass;metal 5.3 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0375.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0375.001.aa.cs.thumb.png  
590 590 1966.0376.001 Vacuum tube GLASS/ METAL 6AQ5   Westinghouse       1945   circa   1 UNCOLOURED GLASS   A BEAM POWER AMPLIFIER IN COMPACT AC OR AUTOMOBILE RADIO SETS EXAMPLE OF EARLY POST WWII MINIATURE TYPE Vacuum Tubes Receiving Tetrode             glass;metal 6.5 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0376.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0376.001.aa.cs.thumb.png  
591 591 1966.0377.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ PAPER 6B7   RAYTHEON MFG. CO. United States of America Massachusetts   1930 1939 between   1 UNFINISHED GLASS/ BLACK BASE WITH YELLOW PRINTING/ RED BLUE & WHITE BOX   USED AS A RADIO FREQUENCY AMPLIFIER IN A RADIO RECEIVER   Vacuum Tubes Receiving Multi-unit             glass;paper;synthetic;metal 11.1 3.7         http://source.techno-science.ca/artifacts-artefacts/images/1966.0377.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0377.001.aa.cs.thumb.png  
592 592 1966.0378.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ PAPER 6BQ6GTB/6CU6   RCA United States of America     1960 1969 between   1 UNCOLOURED GLASS/ BLACK BASE WITH ORANGE PRINTING/ BEIGE BOX   USED AS A HORIZONTAL-DEFLECTION AMPLIFIER IN COLOUR AND BLACK AND WHITE TELEVISION RECIEVERS.   Vacuum Tubes Television Pentode             glass;metal;synthetic;paper 9.5 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0378.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0378.001.aa.cs.thumb.png  
593 593 1966.0379.001 Vacuum tube GLASS/ METAL/ PAPER 6CB6   Canadian Westinghouse Co. Canada     1940 1949 between   1 UNCOLOURED GLASS/ ORANGE BLUE & WHITE BOX   USED AS A CLASS A AMPLIFIER IN A RADIO RECEIVER EXAMPLE OF A PENTODE MINIATURE TUBE TYPE Vacuum Tubes Receiving Pentode             glass;metal;paper 5.2 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0379.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0379.001.aa.cs.thumb.png  
594 594 1966.0380.001 Vacuum tube METAL 6F6   Sylvania United States of America     1936   circa   1 BLACK MATTE WITH YELLOW PRINTING   USED IN THE AUDIO OUTPUT STAGE OF AC RECEIVERS ONE OF THE FIRST METAL TUBE TYPES RELEASED BY RCA Vacuum Tubes Receiving Pentode             metal 8 3.3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0380.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0380.001.aa.cs.thumb.png  
595 595 1966.0381.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ CARDSTOCK 6F6G   General Electric Canada     1936   before   1 UNCOLOURED GLASS/ BLACK BASE WITH ORANGE PRINTING/ BLUE ORANGE & WHITE BOX   USED AS A POWER AMPLIFIER OUTPUT TUBE IN A RADIO RECEIVER EXAMPLE OF EARLY PENTODE Vacuum Tubes Receiving Pentode             glass;metal;synthetic;paper 11.4 4.4         http://source.techno-science.ca/artifacts-artefacts/images/1966.0381.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0381.001.aa.cs.thumb.png  
596 596 1966.0382.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ CARDSTOCK 56   Sylvania United States of America     1930 1939 between   1 UNCOLOURED GLASS/ BLACK BASE/ BLACK GREEN & WHITE BOX   USED AS AN AMPLIFIER & DETECTOR IN RADIO RECEIVERS OF THE 1930'S TYPE SAMPLE OF EARLY AMPLIFYING TUBE Vacuum Tubes Receiving Triode             glass;synthetic;metal;paper 10 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0382.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0382.001.aa.cs.thumb.png  
597 597 1966.0383.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ PAPER 57   Unknown Unknown     1931   circa   1 UNCOLOURED GLASS/ BLACK BASE WITH WHITE PRINTING/ RED & BLACK BOX   USED AS A BIASED DETECTOR IN A-C RECEIVERS DESIGNED FOR ITS CHARACTERISTICS; ALSO AS A LOW SIGNAL-INPUT SCREEN-GRID AMPLIFIER TUBE & AS AN AUTOMATIC VOLUME CONTROL TUBE FIRST 2.5V R.F. PENTODE ALONG WITH 58 DEVELOPED IN THE U.S./ ALSO THESE TYPES WERE THE FIRST TO USE THE 'ST' STYLE DOMED BULBS - IN THIS STYLE OF CONSTRUCTION THE ELEMENT ASSEMBLY WAS BRACED AT ITS UPPER EDGE BY MICA SPACERS BEARING AGAINST THE NARROWER TOP SECTION OF THE BULB Vacuum Tubes Receiving Pentode             glass;metal;synthetic;paper 12.3 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0383.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0383.001.aa.cs.thumb.png  
598 598 1966.0384.001 Vacuum tube GLASS/ METAL 1U4   General Electric United States of America     1940   circa   1 UNCOLOURED GLASS WITH YELLOW PRINTING   USED AS AN AMPLIFIER IN PORTABLE BATTERY RECEIVERS TYPE SAMPLE OF EARLY MINIATURE TUBES Vacuum Tubes Receiving Pentode             glass;metal 5 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0384.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0384.001.aa.cs.thumb.png  
599 599 1966.0385.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ PAPER 80   HALL ELECTRIC LTD. United States of America     1970 1979 between   1 UNCOLOURED GLASS/ BLACK BASE/ YELLOW BLUE & WHITE BOX   USED IN D-C POWER SUPPLY DEVICES WHICH OPERATED FROM THE A-C SUPPLY LINE FINAL DEVELOPMENT OF THE UX-280 WITH A TYPE T9 BULB REPLACING THE ST-14 BULB INTRODUCED IN 1933 Vacuum Tubes Receiving Rectifying             glass;metal;synthetic;paper 9.2 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0385.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0385.001.aa.cs.thumb.png  
600 600 1966.0386.001 Vacuum tube GLASS/ METAL 1U5   Marconi Canada     1940   circa   1 UNCOLOURED GLASS WITH ORANGE PRINTING   USED AS AN AMPLIFIER IN PORTABLE BATTERY RECEIVERS TYPE SAMPLE OF EARLY MINIATURE TUBE Vacuum Tubes Receiving Multi-unit             glass;metal 5.3 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0386.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0386.001.aa.cs.thumb.png  
601 601 1966.0387.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ PAPER 80   TRONIX England   London 1970 1979 between   1 UNCOLOURED GLASS/ BLACK BASE/ ORANGE BLACK & WHITE BOX   USED IN D-C POWER SUPPLY DEVICES WHICH OPERATED FROM THE A-C SUPPLY LINE FINAL DEVELOPMENT OF THE UX-280 WITH A TYPE T9 BULB REPLACING THE ST14 BULB INTRODUCED IN 1933 Vacuum Tubes Receiving Rectifying             glass;metal;synthetic;paper 9.3 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0387.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0387.001.aa.cs.thumb.png  
602 602 1966.0388.001 Vacuum tube GLASS/ METAL 12AT6   Unknown Unknown     1950 1959 between   1 UNCOLOURED GLASS/ GREY PRINTING   USED AS CLASS A AMPLIFIER IN A RADIO RECEIVER TYPE SAMPLE OF STANDARD RADIO RECEIVER TUBE USED IN THE 1950'S & 1960'S Vacuum Tubes Receiving Multi-unit             metal;glass 5.2 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0388.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0388.001.aa.cs.thumb.png  
603 603 1966.0389.001 Vacuum tube GLASS/ METAL 12BE6   RCA United States of America     1950 1959 between   1 UNCOLOURED GLASS/ ORANGE PRINTING   USED AS A COMBINATION OSCILLATOR MIXER AND FIRST DETECTOR IN A SUPERHETERODYNE RADIO RECEIVER TYPE SAMPLE OF STANDARD RADIO RECEIVER TUBE USED IN THE 1950'S & 1960'S Vacuum Tubes Receiving Heptode             glass;metal 5.2 2.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0389.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0389.001.aa.cs.thumb.png  
604 604 1966.0390.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 6L6GC   Canadian General Electric Canada     1959   after   1 UNCOLOURED GLASS WITH SILVER PRINTING/ BLACK BASE WITH SILVER PRINTING   USED IN OUTPUT STAGES OF RADIO RECEIVERS & AMPLIFIERSUR FINAL VERSION OF THE FIRST BEAM POWER TETRODE THE 6L6 Vacuum Tubes Receiving Pentode             glass;metal;synthetic 10.2 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0390.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0390.001.aa.cs.thumb.png  
605 605 1966.0391.001 Vacuum tube GLASS/ METAL/ CARDSTOCK 3V4   ROGERS ELECTRONIC TUBES & COMPONENTS France     1945   circa   1 UNCOLOURED GLASS WITH WHITE PRINTING/ BOX: YELLOW & GREEN   USED IN OUTPUT STAGE OF LIGHTWEIGHT COMPACT PORTABLE BATTERY- OPERATED EQUIPMENT TYPE SAMPLE OF EARLY TUBE DESIGNED FOR PORTABLE BATTERY RECEIVERS Vacuum Tubes Receiving Pentode             glass->;metal->;paper->card stock 5.2 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0391.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0391.001.aa.cs.thumb.png  
606 606 1966.0392.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ CARDSTOCK 6V6GT   Canadian General Electric Co. Ltd. Canada     1939   circa   1 UNCOLOURED GLASS WITH WHITE PRINTING/ BASE BLACK WITH WHITE PRINTING/ BEIGE ORANGE BLACK & WHITE BOX   USED AS OUTPUT AMPLIFIERS IN AUTOMOBILE BATTERY-OPERATED & OTHER RECEIVERS IN WHICH REDUCED PLATE-CURRENT DRAIN IS DESIRABLE FINAL VERSION OF THE 6V6 A LOWER POWER AMPLIFIER THAN THE FIRST BEAM POWER TETRODE THE 6L6/ IN THIS FORM THE TUBE REMAINED IN CONTINUOUS PRODUCTION FOR OVER 40 YEARS & MUST BE COUNTED AS ONE OF THE MOST SUCCESSFUL DESIGNS OF ANY CLASS OF TUBES EVER PRODUCED Vacuum Tubes Receiving Tetrode             glass;synthetic;metal;paper 8.3 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0392.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0392.001.aa.cs.thumb.png  
607 607 1966.0394.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ CARDSTOCK 6L6GC   Zaerix Union of Soviet Socialist Republics     1973   circa   1 UNCOLORED GLASS WITH GREEN PRINTING/ BLACK BASE   USE IN OUTPUT STAGES OF RADIO RECEIVERS & AMPLIFIERS THIS MODEL IS THE FINAL VERSION OF THE BEAM POWER TETRODE THE 6L6 Vacuum Tubes Receiving Pentode             glass;metal;synthetic;paper 10.4 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0394.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0394.001.aa.cs.thumb.png  
608 608 1966.0395.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 12AV7   EICO United States of America     1950 1959 between   1 UNCOLOURED GLASS WITH WHITE PRINTING   USED AS CLASS A AMPLIFIER IN THE OUTPUT STAGES OF A RECEIVER TYPE SAMPLE Vacuum Tubes Receiving Multi-unit             glass;metal;synthetic 5.3 2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0395.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0395.001.aa.cs.thumb.png  
609 609 1966.0396.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 3S4   MISTAN United States of America     1962       1 UNCOLOURED GLASS WITH WHITE PRINTING   USED IN OUTPUT STAGE OF LIGHTWEIGHT COMPACT PORTABLE BATTERY- OPERATED EQUIPMENT TYPE SAMPLE Vacuum Tubes Receiving Pentode             glass;metal;synthetic 5.2 1.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0396.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0396.001.aa.cs.thumb.png  
610 610 1966.0397.001 Vacuum tube METAL/ SYNTHETIC 12SA7   Westinghouse       1940 1959 between   1 BLACK GLOSS PAINT   USED AS A COMBINATION OSCILLATOR MIXER AND FIRST DETECTOR IN A SUPERHETERODYNE RADIO RECEIVER TYPE SAMPLE OF CONVERTER USED IN RECEIVERS IN THE 1940'S& 1950'S. Vacuum Tubes Receiving Heptode             metal;synthetic 6.4 3.3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0397.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0397.001.aa.cs.thumb.png  
638 638 1966.0406.001 Socket vacuum tube BAKELITE BASE/ METAL HARDWARE     Unknown Unknown             1 BROWNISH BLACK BASE/ UNFINISHED METAL   TO SUPPORT A VACUUM TUBE & ENABLE IT TO BE CONNECTED TO DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               synthetic->bakelite;metal 4.5 4.5 2.3       http://source.techno-science.ca/artifacts-artefacts/images/1966.0406.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0406.001.aa.cs.thumb.png  
639 639 1966.0407.001 Socket vacuum tube BAKELITE BASE & TUBE HOLDER/ METAL HARDWARE     NORTHERN ELECTRIC CO. LTD. Canada     1923   after R8400 - 1922-23 1 BLACK BASE/ UNFINISHED METAL   TO SUPPORT A VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               synthetic->bakelite;metal 5 3 2.4       http://source.techno-science.ca/artifacts-artefacts/images/1966.0407.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0407.001.aa.cs.thumb.png  
640 640 1966.0408.001 Socket vacuum tube SYNTHETIC/ METAL HARDWARE     Amphenol United States of America Illinois Chicago         1 BROWN   TO SUPPORT A SMALL VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               synthetic;metal   1.9 1.8       http://source.techno-science.ca/artifacts-artefacts/images/1966.0408.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0408.001.aa.cs.thumb.png  
641 641 1966.0409.001 Vacuum tube TUNGSTEN FILAMENT/ NICKLE ANODE/ OTHER METAL/ GLASS ENVELOPE/ FABRIC WIRE COVER R4A 19641 M.O. VALVE CO. LTD. England   London 1918   circa   1 UNCOLOURED GLASS/ BLACK RED & WINE WIRE COVER/ PINK BOX WITH BLUE PRINING   TO DETECT & AMPLIFY RADIO WAVES IN A RECEIVER REDESIGN OF TYPE R4 IN ORDER TO REDUCE THE FILAMENT POWER REQUIRED/ ONE OF THE FIRST 'HARD' OR HIGH VACUUM TUBES DEVELOPED Vacuum Tubes Receiving Triode             metal->tungsten;metal->nickel;glass->;synthetic->;paper->card stock 8 5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0409.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0409.001.aa.cs.thumb.png  
642 642 1966.0410.001 Vacuum tube METAL/ SYNTHETIC 6J5   Unknown Unknown     1937 1947 circa CANADA: 1928-46 1 BLACK WITH YELLOW PRINTING   USED AS DETECTORS AMPLIFIERS OR OSCILLATORS IN RADIO EQUIPMENT FIRST NEW METAL TUBE TYPE TO BE RELEASED WITHOUT THE "GETTER BUMP" AS THE GETTER PELLET WAS REPLACED BY THE GETTER COIL. Vacuum Tubes Receiving Triode             metal;synthetic 6.5 3.3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0410.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0410.001.aa.cs.thumb.png  
643 643 1966.0411.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ CARDSTOCK 38   Unknown Unknown     1940 1949 between CANADA 1928-46 1 UNCOLOURED GLASS/ BLACK BASE/ ORANGE BOX WITH BLUE & WHITE PRINTING   THE RELATIVELY LOW HEATER CURRENT MAKES THE TUBE SUITABLE FOR AUTOMOBILE RECEIVERS & FOR POWER-LINE OPERATED SETS TYPE SAMPLE OF EARLY PENTODE Vacuum Tubes Receiving Pentode             glass;metal;synthetic;paper 11.3 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0411.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0411.001.aa.cs.thumb.png  
644 644 1966.0412.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ PAPER LABELS BH   RAYTHEON MFG. CO. United States of America Massachusetts Cambridge 1926 1933 circa USA (BETWEEN 1922 & 1927) 1420824 1499078 1545207 1617171 1617172 1617174 1617177 1617178 1617179 1617180 1617181 1 UNCOLOURED GLASS/ BLACK BASE/ WHITE LABELS WITH BLUE & GREEN PRINTING   FOR HEAVY DUTY RADIO POWER SERVICES/ SUPPLIES B POWER TO RECEIVERS USING A TYPE 171 AMPLIFYING TUBE; AND A B & C POWER IN RECEIVERS USING TYPE 199 TUBES IN SERIES EXAMPLE OF ONE OF THE POPULAR RAYTHEON GASEOUS RECIFIERS OF THE PERIOD. HAS A LONG LIFE AS THE PRINCIPLE OF GASEOUS CONDUCTION MEANS THAT THERE IS NO FILAMENT TO BURN OUT OR BREAK IN SHIPMENT. Vacuum Tubes Receiving Rectifying             glass;synthetic;metal;paper 10.3 4.9         http://source.techno-science.ca/artifacts-artefacts/images/1966.0412.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0412.001.aa.cs.thumb.png  
645 645 1966.0413.001 Vacuum tube GLASS/ SYNTHETIC/ METAL 6W4GT   Rogers Canada     1960   after   1 UNCOLOURED GLASS/ BLACK BASE WITH GREEN PRINTING   USED AS A DAMPER TUBE IN TELEVISION RECEIVERS   Vacuum Tubes Television Rectifying             glass;synthetic;metal 6.2 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0413.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0413.001.aa.cs.thumb.png  
646 646 1966.0414.001 Vacuum tube GLASS/ SYNTHETIC/ METAL 199   Westinghouse United States of America             1 UNCOLOURED GLASS/ BLACK BASE MADE IN CANADA TO DETECT & AMPLIFY RADIO WAVES IN PORTABLE RADIO RECEIVERS OR IN HOMERECEIVERS USING DRY-CELL BATTERIES TYPE SAMPLE OF EARLY TRIODE Vacuum Tubes Receiving Triode             glass;synthetic;metal 8.1 2.5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0414.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0414.001.aa.cs.thumb.png  
647 647 1966.0415.001 Vacuum tube GLASS/ METAL/ SYNTHETIC W56   Westinghouse United States of America     1930 1939 between   1 UNCOLOURED GLASS/ BLACK BASE   USED AS A DETECTOR AMPLIFIER OR OSCILLATOR IN AC RADIO RECEIVERS TYPE SAMPLE OF EARLY AMPLIFYING TUBE Vacuum Tubes Receiving Triode             glass;metal;synthetic 10.5 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0415.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0415.001.aa.cs.thumb.png  
648 648 1966.0416.001 Vacuum tube GLASS/ SYNTHETIC/ METAL VT232   HYTRON United States of America     1942   circa   1 UNCOLOURED GLASS/ BLACK BASE WITH SILVER PRINTING     TYPE SAMPLE OF US MILITARY TUBES FROM LATE IN WWII Vacuum Tubes Receiving Triode             glass;synthetic;metal 8.7 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0416.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0416.001.aa.cs.thumb.png  
649 649 1966.0417.001 Vacuum tube METAL 12SG7   Unknown Unknown     1949   after CANADA 1932-49 1 BLACK WITH YELLOW PRINTING   USED AS AN RF AMPLIFIER IN AC/DC RADIO RECEIVERS INVOLVING HIGH FREQUENCY WIDE-BAND APPLICATIONS   Vacuum Tubes Receiving Pentode             metal 6.3 3.3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0417.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0417.001.aa.cs.thumb.png  
650 650 1966.0418.001 Vacuum tube GLASS/ METAL/ WAX/ PAPER VT1   Western Electric Co. Inc. United States of America     1917 1918 between U.S.A. 1-15-07 TWO PATENTS/ 2-18-08 4-27-15 12-1916 1 UNCOLOURED GLASS/ UNFINISHED METAL/ RED WAX INSERT   GENERAL PURPOSE TRIODE USED FOR DETECTOR AMPLIFIER OR LOW-POWER OSCILLATOR DEVELOPED AT THE REQUEST OF THE ARMED FORCES WHO NEEDED TUBES OF RUGGED STABLE & RELIABLE CONSTRUCTION TO MEET EXACTING REQUIREMENTS Vacuum Tubes Receiving Triode             glass->;metal->;resin->wax;paper 10.4 4         http://source.techno-science.ca/artifacts-artefacts/images/1966.0418.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0418.001.aa.cs.thumb.png  
651 651 1966.0419.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ CARDSTOCK 1G3GT/1B3GT   FLEETWOOD Canada     1960   circa   1 UNCOLOURED GLASS/ BLACK BASE WITH ORANGE PRINTING/ BOX ORANGE BLACK GOLD   TO CHANGE AC CURRENT TO DC/ USED WHERE HIGH VOLTAGE IS REQUIRED   Vacuum Tubes Receiving Rectifying             glass;synthetic;metal;paper 8.9 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0419.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0419.001.aa.cs.thumb.png  
652 652 1966.0420.001 Vacuum tube GLASS/ METAL/ SYNTHETIC CE30C   Continental Electric Co. United States of America Illinois Geneva         1 UNCOLOURED GLASS/ BLACK BASE WITH SILVER PRINTING   USED FOR SOUND AND RELAY CONTROL TYPE SAMPLE Vacuum Tubes Photoemissive Phototube             glass;metal;synthetic 7.5 3.2         http://source.techno-science.ca/artifacts-artefacts/images/1966.0420.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0420.001.aa.cs.thumb.png  
653 653 1966.0421.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ MICA 1V   Marconi Canada     1932 1933 circa   1 UNCOLOURED GLASS/ BLACK BASE WITH RED PRINTING   DEVELOPED SPECIFICALLY FOR CAR RADIO APPLICATIONS ONE OF THE FIRST RECTIFIERS SPECIALLY DESIGNED FOR CAR RADIO APPLICATIONS Vacuum Tubes Receiving Rectifying             glass->;synthetic->;stone->mica;metal 10.1 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0421.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0421.001.aa.cs.thumb.png  
654 654 1966.0422.001 Vacuum tube GLASS/ BRASS BASE/ CERAMIC INSERT/ METAL WORKING PARTS/ CARDSTOCK BOX WITH PAPER LABEL WD12   Canadian Westinghouse Canada Ontario Hamilton 1923 1925 between CANADA: 1906 1917 1920 1 UNCOLOURED GLASS/ UNFINISHED BASE/ WHITE INSERT/ BOX: BEIGE WITH RED PATTERNED LABEL & BLACK PRINTING MADE IN CANADA TO DETECT & AMPLIFY RADIO WAVES IN A RADIO RECEIVER ALLOWED FOR CONVERSION OF CERTAIN STORAGE-BATTERY RADIO RECEIVERS TO DRY CELL OPERATION Vacuum Tubes Receiving Triode             glass->;metal->brass;ceramic;paper 10.3 3.5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0422.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0422.001.aa.cs.thumb.png  
656 656 1966.0424.001 Box vacuum tube PAPER 45   HUDSON United States of America             1 BEIGE WITH RED & BLACK PRINTING   TO STORE A MODEL '45' VACUUM TUBE TYPE SAMPLE OF SMALL AMERICAN MFG/DISTRIBUTOR Vacuum Tubes Vacuum tube accessories               paper 13.7 4.9 4.9       http://source.techno-science.ca/artifacts-artefacts/images/1966.0424.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0424.001.aa.cs.thumb.png  
657 657 1966.0425.001 Vacuum tube GLASS/ SYNTHETIC/ METAL 283A 325 Western Electric United States of America     1932 1950 circa   1 UNCOLOURED GLASS/ BLACK BASE   USED AS A VARIABLE MU HIGH FREQUENCY VOLTAGE AMPLIFIER IN RADIO RECEIVERS & PHASE MONITORS   Vacuum Tubes Receiving Tetrode             glass;synthetic;metal 12.5 4.4         http://source.techno-science.ca/artifacts-artefacts/images/1966.0425.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0425.001.aa.cs.thumb.png  
658 658 1966.0426.001 Vacuum tube GLASS/ METAL/ CERAMIC/ SYNTHETIC/ CARDSTOCK/ FIBRE 331A   Western Electric United States of America     1944       1 UNCOLOURED GLASS/ WHITE CERAMIC INSERT/ UNFINISHED BRASS BASE/ BEIGE CARTON WITH BLUE PRINTING   INTENDED FOR CLASS-B AF WHERE THE VARIABLE MU ALLOWED THE PRODUCTION OF HIGH OUTPUT WITH MINIMUM DISTORTION; ALSO AS AN RF AMPLIFIER OR OSCILLATOR UP TO 30 MHZ AT FULL POWER/ TO BE USED AS A MODULATOR IN AIRCRAFT RADIO TRANSMITTERS   Vacuum Tubes Transmitting Triode             glass;paper;fibre;metal;ceramic 20.5 5.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0426.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0426.001.aa.cs.thumb.png  
659 659 1966.0427.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ PAPER 352A   Western Electric United States of America     1954       1 UNCOLOURED GLASS/ BLACK BASE WITH YELLOW PRINTING/ BEIGE BOX   USED AS A DIODE DETECTOR & RECTIFIER FOR AUTOMATIC VOLUME-CONTROL VOLTAGE WITH AN AF-AMPLIFIER TYPE SAMPLE Vacuum Tubes Receiving Multi-unit             glass;synthetic;metal;paper 11.3 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0427.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0427.001.aa.cs.thumb.png  
660 660 1966.0428.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ PAPER 310B   Western Electric United States of America     1953       1 UNCOLOURED GLASS; BLACK BASE WITH YELLOW PRINTING/ BEIGE BOX   INTENDED FOR USE IN AF AMPLIFIER WHERE EXCEPTIONALLY LOW NOISE WAS REQUIRED; AS AN RF VOLTAGE-AMPLIFIER OSCILLATOR OR MODULATOR/ USED IN SPEECH INPUT EQUIPMENT SPECIAL DESIGN FEATURES MINIMIZED HUM PRODUCED BY AC-OPERATION OF THE HEATER Vacuum Tubes Receiving Pentode             glass;metal;synthetic;paper 12 3.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0428.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0428.001.aa.cs.thumb.png  
661 661 1966.0429.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ PAPER 101FA   Western Electric United States of America     1954       1 UNCOLOURED GLASS/ BLACK BASE WITH YELLOW PRINTING/ BEIGE BOX   USED AS A HIGH POWER AMPLIFIER IN THE 22A1 VOICE FREQUENCY REPEATER MODIFIED FROM THE 101F TO OBTAIN HIGHER GAIN VIA HIGHER AMPLIFICATION FACTOR (8.9 VS. 6.5) Vacuum Tubes Telephone Triode             glass;synthetic;metal;paper 11.2 4.4         http://source.techno-science.ca/artifacts-artefacts/images/1966.0429.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0429.001.aa.cs.thumb.png  
662 662 1966.0430.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ PAPER 102L   Western Electric United States of America     1954       1 UNCOLOURED GLASS/ BLACK BASE WITH YELLOW PRINTING/ BEIGE BOX   USED FOR VOICE FREQUENCY TELEPHONE REPEATERS MODULATORS DETECTORS AMPLIFIERS & CARRIER TELEGRAPH EQUIPMENT SIMILAR TO 102F WITH LOWER FILAMENT CURRENT & HIGHER MUTUAL CONDUCTANCE Vacuum Tubes Telephone Triode             glass;synthetic;metal;paper 10.9 4.5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0430.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0430.001.aa.cs.thumb.png  
663 663 1966.0431.001 Vacuum tube GLASS/ METAL/ SYNTHETIC/ PAPER 375A   Western Electric United States of America     1954       1 UNCOLOURED GLASS/ BLACK BASE WITH YELLOW PRINTING   DESIGNED FOR USE AS AN AF AMPLIFIER AT VOLTAGES UP TO 130V   Vacuum Tubes Telephone Pentode             glass;metal;synthetic;paper 11.5 3.6         http://source.techno-science.ca/artifacts-artefacts/images/1966.0431.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0431.001.aa.cs.thumb.png  
664 664 1966.0432.001 Vacuum tube GLASS/ METAL/ SYNTHETIC VT25A   Sylvania United States of America             1 UNCOLOURED GLASS/ BROWN BASE WITH BLACK PRINTING   USED AS A CLASS C AMPLIFIER & OSCILLATOR   Vacuum Tubes Transmitting Triode             glass;metal;synthetic 14 5.1         http://source.techno-science.ca/artifacts-artefacts/images/1966.0432.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0432.001.aa.cs.thumb.png  
665 665 1966.0433.001 Vacuum tube GLASS/ SYNTHETIC/ METAL/ PAPER 1616   SPERTI INC. United States of America Ohio Cincinnati 1944       1 UNCOLOURED GLASS/ BLACK BASE WITH SILVER PRINTING/ BEIGE BOX WITH BLACK PRINTING   TO CONVERT AC CURRENT TO DC TYPE SAMPLE OF U.S. ARMED FORCES RECTIFIER USED DURING WWII Vacuum Tubes Receiving Rectifying             glass;paper;metal;synthetic 16.9 5.1              
670 670 1966.0437.001 Vacuum tube GLASS/ SYNTHETIC/ METAL CE26RC   Continental Electric Co. United States of America Illinois Geneva         1 UNCOLOURED GLASS/ BLACK BASE WITH SILVER PRINTING   USED IN THE SOUND HEAD OF A 35MM MOVIE PROJECTOR WHERE IT TRANSLATES VARIATIONS IN LIGHT THROUGH THE FILM INTO CORRESPONDING VARIATIONS IN ELECTRICAL SIGNALS WHICH ARE TRANSLATED INTO AUDIO-FREQUENCY SIGNALS TYPE SAMPLE Vacuum Tubes Photoemissive Phototube             glass;synthetic;metal 12.5 5.8         http://source.techno-science.ca/artifacts-artefacts/images/1966.0437.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0437.001.aa.cs.thumb.png  
671 671 1966.0438.001 Vacuum tube GLASS/ METAL/ SYNTHETIC 35T K3 EITEL MCCULLOUGH INC. United States of America California San bruno         1         Vacuum Tubes Transmitting Triode             glass;metal;synthetic 13.7 4.5         http://source.techno-science.ca/artifacts-artefacts/images/1966.0438.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0438.001.aa.cs.thumb.png  
672 672 1966.0439.001 Vacuum tube GLASS/ METAL/ CERAMIC/ PAPER RK20   RAYTHEON United States of America     1940 1951 circa   1 UNCOLOURED GLASS/ WHITE BASE/ RED LABEL AFFIXED TO GLASS   USED AS A CLASS C AMPLIFIER IN TELEPHONE & TELEGRAPH TRANSMISSION   Vacuum Tubes Transmitting Tetrode             glass;metal;ceramic;paper 21.8 5.1         http://source.techno-science.ca/artifacts-artefacts/images/1966.0439.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0439.001.aa.cs.thumb.png  
674 674 1966.0441.001 Vacuum tube GLASS/ METAL 9AU7   Unknown Unknown     1960 1969 between   1 UNCOLOURED GLASS   USED AS AN AMPLIFIER OR FREQ. CONVERTER IN THE FM & TV BROADCAST BANDS   Vacuum Tubes Receiving Multi-unit             glass;metal 5.2 2.1         http://source.techno-science.ca/artifacts-artefacts/images/1966.0441.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0441.001.aa.cs.thumb.png  
675 675 1966.0442.001 Shield vacuum tube SHEET METAL     Unknown Unknown             2 LACQUERED FINISH   USED TO SHIELD A VACUUM TUBE FROM OTHER VACUUM TUBES WHEN THEY ARE OPERATING IN THE HIGH GAIN HIGH FREQUENCY STAGES OF A RECEIVER TO PREVENT FEEDBACK   Vacuum Tubes Vacuum tube accessories               metal 11.1 4.3         http://source.techno-science.ca/artifacts-artefacts/images/1966.0442.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0442.001.aa.cs.thumb.png  
676 676 1966.0442.002 Cap                       2         Vacuum Tubes Vacuum tube accessories                                  
677 677 1966.0443.001 Socket vacuum tube FIBREBOARD/ METAL     Unknown Unknown             1 BROWN GLAZED BASE   USED TO SUPPORT A VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               synthetic;metal 5.6 4.1 1.9       http://source.techno-science.ca/artifacts-artefacts/images/1966.0443.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0443.001.aa.cs.thumb.png  
678 678 1966.0444.001 Socket vacuum tube PORCELAIN BASE/ SILVER PLATED METAL W5651   Unknown Unknown             1 WHITE BASE   USED TO SUPPORT A VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               ceramic->porcelain;metal->silver 5.5 4.1 1.6       http://source.techno-science.ca/artifacts-artefacts/images/1966.0444.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0444.001.aa.cs.thumb.png  
679 679 1966.0445.001 Socket vacuum tube SYNTHETIC/ METAL     American Phenolic Corp. United States of America Illinois Chicago       USA: 2087784 1 BLACK BASE/ UNFINISHED METAL   USED TO SUPPORT A VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               synthetic;metal 5.5 3.5 1.8       http://source.techno-science.ca/artifacts-artefacts/images/1966.0445.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0445.001.aa.cs.thumb.png  
680 680 1966.0446.001 Socket vacuum tube SYNTHETIC/ METAL Apr-49   Amphenol United States of America Illinois Chicago 1940   circa   1 WHITE BASE GLAZED ON TOP/ UNFINISHED METAL   USED TO SUPPORT A VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               synthetic;metal 5.4 3.5 2       http://source.techno-science.ca/artifacts-artefacts/images/1966.0446.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0446.001.aa.cs.thumb.png  
681 681 1966.0447.001 Socket vacuum tube PORCELAIN BASE/ METAL HARDWARE     HAMMARLUND MFG. CO.       1940 1949 between   1 WHITE BASE WITH GLAZED TOP/ UNFINISHED METAL   USED TO SUPPORT A VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING/ SOMETIMES USED AS AN INTERCHANGEABLE COIL SOCKET FOR SHORTWAVE (HF) RECEIVERS   Vacuum Tubes Vacuum tube accessories               ceramic->porcelain;metal 5.6 4.1 2.1       http://source.techno-science.ca/artifacts-artefacts/images/1966.0447.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0447.001.aa.cs.thumb.png  
682 682 1966.0448.001 Socket vacuum tube SYNTHETIC BASE/ METAL PRONGS     EBY United States of America           USA: 20162 1 DARK BROWN BASE/ UNFINISHED METAL   USED TO SUPPORT A VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               synthetic;metal   3.8 1.7       http://source.techno-science.ca/artifacts-artefacts/images/1966.0448.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0448.001.aa.cs.thumb.png  
683 683 1966.0449.001 Socket vacuum tube SYNTHETIC BASE/ METAL HARDWARE     Unknown Unknown             1 BROWN BASE/ UNFINISHED METAL   USED TO SUPPORT A VACUUM TUBE & CONNECT IT TO THE DEVICE IN WHICH IT IS OPERATING   Vacuum Tubes Vacuum tube accessories               synthetic;metal 3.3 2.4 2.7       http://source.techno-science.ca/artifacts-artefacts/images/1966.0449.001.aa.cs.png http://source.techno-science.ca/artifacts-artefacts/images/1966.0449.001.aa.cs.thumb.png  

Next page

Advanced export

JSON shape: default, array, newline-delimited

CSV options: 

CREATE TABLE [artefacts] (
   [artifactNumber] TEXT,
   [ObjectName] TEXT,
   [GeneralDescription] TEXT,
   [model] TEXT,
   [SerialNumber] TEXT,
   [Manufacturer] TEXT,
   [ManuCountry] TEXT,
   [ManuProvince] TEXT,
   [ManuCity] TEXT,
   [BeginDate] TEXT,
   [EndDate] TEXT,
   [date_qualifier] TEXT,
   [patent] TEXT,
   [NumberOfComponents] TEXT,
   [ArtifactFinish] TEXT,
   [ContextCanada] TEXT,
   [ContextFunction] TEXT,
   [ContextTechnical] TEXT,
   [group1] TEXT,
   [category1] TEXT,
   [subcategory1] TEXT,
   [group2] TEXT,
   [category2] TEXT,
   [subcategory2] TEXT,
   [group3] TEXT,
   [category3] TEXT,
   [subcategory3] TEXT,
   [material] TEXT,
   [Length] TEXT,
   [Width] TEXT,
   [Height] TEXT,
   [Thickness] TEXT,
   [Weight] TEXT,
   [Diameter] TEXT,
   [image] TEXT,
   [thumbnail] TEXT,
   [] TEXT
);