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Title: Megger earth resistance tester [Go to resource]
Description: Megger earth resistance tester. Universal type, serial no.1269587, ranges 20, 200, 2,000 ohms. Made in the 1960's License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1960 Source: Science Museum Identifier: 1980-249 Go to resource More Like this...-
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