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Title: One Watt-Ampere electric current balance in glazed metal cas [Go to resource]
Description: One Watt-Ampere electric current balance in glazed metal case, with box of weights and fittings. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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