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Title: Voltmeter, permanent magnet type, Ayrton and Perry, 1881 [Go to resource]
Description: Voltmeter, permanent magnet type, Ayrton and Perry, 1881 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1881-1882 Source: Science Museum Creator: Paterson, E. (maker) Identifier: 1932-308 Go to resource More Like this...
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