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: J861

: Industrial and Maritime History

: electrical instrument & electrical measuring instrument

: Wooden cased precision wattmeter made by Siemens Bros

: Siemens Bros. & Co. Ltd.

: London, United Kingdom of Great Britain and Northern Ireland (UK) / England, Northern Europe, Europe

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: Merchant Venturers Technical College

: Bristol, United Kingdom of Great Britain and Northern Ireland (UK) / England, Northern Europe, Europe

: Unity Street