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Title: Watt hour meter, intermittent integrating class, electricall [Go to resource]
Description: Watt hour meter, intermittent integrating class, electrically driven clock, (Caudray patent) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1905-34 Go to resource More Like this...-
Murdey's intermittent integrating electricity…Murdey's intermittent integrating electricity supply…
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