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Title: Crompton portable ammeter no.9614 - c.1899, 0 - 25amps [Go to resource]
Description: Crompton portable ammeter no.9614 - c.1899, 0 - 25amps License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1967-398 Go to resource More Like this...
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