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Title: Tangent galvanometer, by Becker of Hatton Wall, London [Go to resource]
Description: Tangent galvanometer, by Becker of Hatton Wall, London License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1900-1945 Source: Science Museum Creator: Becker,F.E. and Co. (maker) Identifier: 1980-345 Go to resource More Like this...
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