Compass card

Compass card

A compass card with a smaller one rotating in the centre.
Possible for use when applying variation to bearings etc.
Graduated 0 - 360 degrees and in points.

Object Details

ID: NAV0236
Type: Compass card
Display location: Not on display
Creator: Heath, Thomas
Date made: circa 1710
Credit: National Maritime Museum, Greenwich, London, Caird Collection
Measurements: Overall: 2 mm; Diameter: 87 mm