Compass card magnifier

A semi-circular magnifier, for use with ACO 2351 and 2352, in a black painted brass frame attached to a three-legged fitting. In wooden box 9.8" x 8.5 x 2.75 " (25 x 21.5 x 7cm).

Object Details

ID: ACO0772
Type: Compass card magnifier
Display location: Not on display
Creator: Unknown
Date made: circa 1929
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 35 mm x 185 mm x 225 mm
Parts: Compass card magnifier