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Title: Two screws, 10mm long, sherardized by Cowper Coles in the 1 [Go to resource]
Description: Two screws, 10mm long, sherardized by Cowper Coles in the 1920s. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Two sherardized screws Temporal: 1920s Source: Science Museum Creator: Cowper Coles, Sherard Identifier: 2002-174 Go to resource More Like this...
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