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Title: Ram Caulker for Pipe Joints, C [Go to resource]
Description: Ram Caulker for Pipe Joints, C. Wheeler's patent A.D. 1882 no.5490 (provisional protection) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1883-20 Go to resource More Like this...
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