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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, bar of steel 5" x1 1/2"x1 1/2" License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1887 Source: Science Museum Identifier: 1887-259/1 Go to resource More Like this...
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