Magnetograph

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Watson quartz fibre magnetograph; Greenwich Z variometer. With suspension mounting. No. L-8570

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ID:	AST0748
Collection:	Astronomical and navigational instruments
Type:	Magnetograph
Display location:	Not on display
Creator:	Cambridge & Paul Instrument Co
Date made:	1920 - 1924
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 230 mm x 520 mm x 380 mm