artefacts: 646
This data as json
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
