artefacts: 19
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 19 | 1966.0029.001 | Compass solar | BRASS CONSTRUCTION; STERLING SILVER ARCS AND GRADUATIONS OF LIMB; GLASS TUBE LEVEL VIALS. WOODEN CASE FITTED WITH BRASS HINGES. | Gurley W. & L.E. | United States of America | New york | Troy | 1891 | 1910 | circa | SOLAR COMPASS INVENTED BY WILLIAM AUSTIN BURT MICHIGAN OHIO USA AND PATENTED 1836. (REF.3) | 1 | USED BY SURVEYORS TO DETERMINE THE MERIDIAN (NORTH- SOUTH LINE) BY USING THE SUN'S POSITION AS A REFERENCE. | TRANSIT INST. INVENTED BY WILLIAM AUSTIN BURT OF MICHIGAN OHIO AND PAT'D 1836. THE FIRST INSTS. WERE MFD. BY W.J. YOUNG & SONS PHILADELPHIA; GURLEY BEGAN MFG THEIR'S C. 1860. SOLAR COMPASS PLAYED A MAJOR ROLE IN PUBLIC LAND SURVEYS IN U.S. FOR 100 YRS. + AS PRINCIPAL LINES WERE RUN WITH REFERENCE TO TRUE MERIDIAN. | Exploration and Survey | Measurement-angles | Horizontal | metal->brass;metal->silver;glass;wood | 23 | 19.5 | 10 | http://source.techno-science.ca/artifacts-artefacts/images/1966.0029.001.aa.cs.png | http://source.techno-science.ca/artifacts-artefacts/images/1966.0029.001.aa.cs.thumb.png |
