Fox dip circleLong Caption:Equipment includes a large dip circle, a brass box of weights, a pair of tweezers, a bone disc with handle, a bar with a tube at centre to contain weights and a brass bottle containing pieces of brass with hooks. A Fox dip intensity apparatus. In 1834 Robert Were Fox received an award from the Royal Cornwall Polytechnic Society for the invention of this instrument. Returnd to Admiralty collection in 1933. An instrument of this type was used in the expedition of Erebus and Terror in 1839-43 and of Challenger in 1872.Credit line:National Maritime Museum, Greenwich, London.Object:ACO0088Artist:George, W; A. W. Dover; Robert Were FoxDate:circa 1825Size:Overall: 325 mm x 244 mm x 230 mm
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