Compass deflector

This deflector consists of two pairs of magnets mounted on a framework and pivoted so as to be capable of having their opposite poles closed in on each other or opened out, by means of a right and left-handed screw operating in two sockets.

Object Details

ID: ACO0074
Type: Compass deflector
Display location: Not on display
Creator: White, James
Date made: 1876
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 90 mm x 133 mm x 46 mm
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