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Title: Royles' patent Coupler, 1" diam [Go to resource]
Description: Royles' patent Coupler, 1" diam. pipe, patt.A, with two short pieces of copper pipe License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1927-149 Go to resource More Like this...
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