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Title: Specimen of the original silicon steel sheet material, 2 [Go to resource]
Description: Specimen of the original silicon steel sheet material, 2.90% Si, 1884-1886 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1884-1886 Source: Science Museum Identifier: 1930-889 Go to resource More Like this...
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