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Parallel rule

NAV0617
Charting instruments

Object connections:

Collection Charting instruments
Gallery locationNot on display
PeopleProvenance: Home, Milne

Object details:

Object ID NAV0617
Description Parallel rule with a box. Ruler: Wooden parallel ruler consisting of three bars, with a brass protractor attached to the left hand end of the centre bar by a brass bracket with pointer and clamp screw. Protractor: Dia. 4.5" (11.4 cm) the outer brass ring graduated quadrantally in degrees and inscribed at North "NORD DE LA CARTE". The inner silvered disc rotates and is graduated quadrantally in degrees and to 32 points. In wooden box with instruction booklet.
Date made circa 1820

Artist/Maker Schiavetti-Bellieni
Place made Brest, France
Credit National Maritime Museum, Greenwich, London
Materials brass; plastic; silver; wood
Measurements Overall: 20 mm x 400 mm x 83 mm
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