Folding Prismatic Compass, 1846-52
- Made:
- 1846-1852 in City of Westminster
- maker:
- Edward John Dent Edward John Dent
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Science Museum Group
© The Board of Trustees of the Science Museum
Folding prismatic magnetic compass in brass case, made and patented by Edward John Dent, 82 Strand, 33 Cockspur Street, London, 1846-52. Fitted with engraved scale, filters, mirror and detachable from brass case, for use as dip circle (?).
Details
- Category:
- Surveying
- Object Number:
- 1952-60
- Materials:
- brass (copper, zinc alloy), iron and glass
- Measurements:
-
overall (closed): 45 mm x 90 mm x 115 mm, .57kg
- type:
- prismatic compass and magnetic compass
- credit:
- Poynter, L.
