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4" experimental compass in wood and glass display box
- maker:
- James White
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Experimental compass in wood and glass display box, 4", unsigned, Scotland, 1873-1876. Used by Lord Kelvin in his compass experiments.
Details
- Category:
- Navigation
- Object Number:
- 1876-735
- Materials:
- glass, cardboard, metal (unknown), cotton (fibre), wood (unidentified) and complete
- Measurements:
-
overall: 43 mm x 140 mm x 140 mm, .2kg
- type:
- magnetic compass
- credit:
- Donated by Sir William Thomson (Lord Kelvin)