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Title: Nalder Bros. & Thompson Ltd. "Ohmer" insulation tester no.16 [Go to resource]
Description: Nalder Bros. & Thompson Ltd. "Ohmer" insulation tester no.1696, scale up to 100 megohms, with built-in 500V hand generator License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: insulation tester Source: Science Museum Creator: Nalder Brothers and Thompson Limited Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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