Mariner's compass

Depth with lid 0.25" (10.9cm). Circular lid, dull brass case. Straight bare needle on pin mounting. Engraved and enamelled metal rose. Graduated quadrantally every 10 degs on flat surface, and on raised outer rim 1/2 -360 degs. Vertical surface of outer rim also engraved to facilitate taking of bearings. Two brackets for screwing compass to horizontal surface.

Object Details

ID: NAV0386
Type: Mariner's compass
Display location: Not on display
Creator: T. & J. Mason
Date made: After 1809
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 25 mm x 162 mm x 205 mm
Parts: Mariner's compass