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Title: Specimen of steel produced by the Basic or Thomas Gilchrist [Go to resource]
Description: Specimen of steel produced by the Basic or Thomas Gilchrist process, 1887, piece of gas tube 3" diameter screw License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1887 Source: Science Museum Identifier: 1887-231 Go to resource More Like this...
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