Magnet/mirror, declinometer

Magnet/mirror, declinometer
2-inch rod magnet and 1-inch mirror in holder, in wooden box

MS note in box: "Mirror and magnet adapted for temporary declination magnetograph. 1939 March"

Object Details

ID: AST0719
Collection: Astronomical and navigational instruments
Type: Magnet/mirror, declinometer
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 58 mm x 85 mm x 82 mm