Folding Prismatic Compass, 1846-52

Made:: 1846-1852 in City of Westminster

patentee:: Edward John Dent; Edward John Dent

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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), glass, iron

Measurements:: overall (closed): 45 mm x 90 mm x 115 mm, .57kg

type:: prismatic compass

taxonomy:

furnishing and equipment
measuring device - instrument
magnetic compass
furnishing and equipment
measuring device - instrument

credit:: Poynter, L.

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