10" experimental compass in wood and glass display box

Made:
1873-1876 in United Kingdom and Scotland
maker:
James White
Experimental compass in wood and glass display box, 10 Ten inch compass suitable when quadrantal error does not exceed

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Experimental compass in wood and glass display box, 10
Science Museum Group
© The Board of Trustees of the Science Museum

Ten inch compass suitable when quadrantal error does not exceed
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Experimental compass in wood and glass display box, 10", unsigned, Scotland, 1873-1876. Used by Lord Kelvin in his compass experiments.

Details

Category:
Navigation
Object Number:
1876-738
Materials:
complete, wood (unidentified), glass, cardboard, metal (unknown), brass (copper, zinc alloy) and cotton (fibre)
Measurements:
overall: 81 mm x 294 mm x 294 mm, .925kg
type:
magnetic compass
credit:
Donated by Sir William Thomson (Lord Kelvin).