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Title: BM 7/500 battery megger insulation and continuity tester mad [Go to resource]
Description: BM 7/500 battery megger insulation and continuity tester made by Evershed and Vignoles Ltd; Megger instruments division in 1982, serial no. 3210356 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1982-760 Go to resource More Like this...
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