Azimuth compass

Prototype azimuth compass in a wooden box. Designed by James R. Napier, a prototype. Card of 8 parallel rods (magnets) from which Kelvin card was developed. Napier and Thomson worked together. Graduated 0-360 degs. Fitted with azimuth mirror. Stop device.

Object Details

ID: NAV0376
Type: Azimuth compass
Display location: Not on display
Creator: Napier, James
Date made: circa 1850
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 35 mm; Diameter: 97 mm
Parts: Azimuth compass
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