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Title: X-ray tube with two cathodes, for use on A.C. [Go to resource]
Description: X-ray tube with two cathodes, for use on A.C, made by Allgemeine Elektricitats Gesellschaft, 1896-1914. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1896-1914 Source: Science Museum Identifier: 1938-562 Go to resource More Like this...
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