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Title: Four screws, 88mm long, sherardized by Cowper Coles, c1929. [Go to resource]
Description: Four screws, 88mm long, sherardized by Cowper Coles, c1929. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Four screws Temporal: 1929 Source: Science Museum Creator: Cowper Coles, Sherard Identifier: 2002-167 Go to resource More Like this...
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