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Title: "N [Go to resource]
Description: "N.E." watt hour house service meter, 2 1/2 amp. 230 v. 50 periods, single phase, large illuminated dial. (Modern) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1931-683 Go to resource More Like this...
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