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Title: 3 spanners 7/16", 1/2", 5/6" by J. Whitworth and Co. [Go to resource]
Description: 3 spanners 7/16", 1/2", 5/6" by J. Whitworth and Co. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Whitworth,J. and Co., Joseph (maker) Identifier: 1968-498 Go to resource More Like this...
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