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Title: Siemens dynamometer ammeter, in glass case, No.2778 [Go to resource]
Description: Siemens dynamometer ammeter, in glass case, No.2778 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: dynamometers Source: Science Museum Identifier: 1985-2017 Go to resource More Like this...
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