Surveying compass

Bowl- Brass, glazed and mounted in a wooden box with hinged lid. Fitted with a needle locking mechanism which is activated by lid of box closing on a brass stud.
Card-Dia. 2.3" (5.8cm) White enamel with black markings. Graduated to 32 points and quadrantally in degrees.
Needle-Length 2.3" (5.8cm) Steel edge bar type with jewelled pivot cap at centre.
O.A.Height 0.9" (2.3cm)

Object Details

ID: NAV0432
Type: Surveying compass
Display location: Not on display
Creator: Unknown
Date made: circa 1800
People: Graves, Adm
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 25 mm x 88 mm x 90 mm