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Title: Kelvin Station type Voltmeter, early 20th Century [Go to resource]
Description: Kelvin Station type Voltmeter 110-130V a.c., probably American, early 20th century. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: voltmeters Temporal: 1900-1920 Source: Science Museum Creator: Unknown maker Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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