Bar magnet

Pair of 9-inch bar magnets with keepers; one brass pivot; one magnetic needle with agate cap.
In a fitted wooden box.
Part of a dip circle or observatory instrument.

Object Details

ID: AST0717
Collection: Astronomical and navigational instruments
Type: Bar magnet
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 20 mm x 255 mm x 98 mm
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