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Graphometer with magnetic compass
- maker:
- Henry Macquart
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Graphometer with magnetic compass, fixed & movable alidade, by Henry Macquart of Paris, France, 1710-1720
Details
- Category:
- Surveying
- Object Number:
- 1908-118
- Materials:
- brass and compass needle, iron
- Measurements:
-
overall: 149 mm x 304 mm x 135 mm, 1.76 kg
overall (alidade): 244 mm
- type:
- graphometer
- credit:
- Middleton, E.C.