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Title: Megger earth loop resistance tester, serial no [Go to resource]
Description: Megger earth loop resistance tester, serial no. E560619, range 0-50 ohms. Prototype, made in 1956 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1956 Source: Science Museum Identifier: 1980-250 Go to resource More Like this...
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