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Title: Resistance box 1 megohm, no [Go to resource]
Description: Resistance box 1 megohm, no. 85914, by Muirhead and Co. Ltd., January 1938 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1938 Source: Science Museum Creator: Muirhead and Company Limited Identifier: 1989-1073 Go to resource More Like this...
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