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Description: | 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 (?). | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | magnetic compass prismatic compass | Temporal: | 1846-1852 | Source: | Science Museum | Creator: | Dent, Edward John | Identifier: | 1952-60 | Go to resource |
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