Heeling error instrument model

Brass bowl containing brass frame which supports vertical force measuring needle. Needle is supported on agate knif edges. Brass verge ring and glass cover. Provided with needle lifter.

Object Details

ID: ACO0078
Type: Heeling error instrument model
Display location: Not on display
Creator: Dover, A. W.
Date made: 1892
People: Creak, E. W.
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 65 mm x 130 mm x 121 mm
Parts: Heeling error instrument model