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Description: | Portable Reflecting Wattmeter Model 5999 No.R578, made by Elliott Brothers (London) Ltd., Century Works, Lewisham, London, SE13, England, 1964; iron-less dynamometer movement, projection reading with built-in lamp and scale, British patent 857917, voltage ranges 62.5, 125 and 250 V and current ranges 0.5 and 1 A. | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Temporal: | 1964 | Source: | Science Museum | Creator: | Elliott Brothers (London) Ltd | Identifier: | 1993-1519 | Go to resource |
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