. Illustrated catalogue of wrought and cast iron pipe, steam and gas pipe fittings, brass and iron steam valves and cocks, tools, supplies, and other articles incidental to steam and gas engineering, and hot water and steam heating, manufactured by the Walworth Manufacturing Company. DUDGEONS ROLLER TUBE EXPANDER. Fig. When ordering Expanders, please state thickness of Tube Plate fr which they arerequired, and give outside diameter i the Tube. 1 -•-* WALWORTH MANUFACTURING CO. 49 WOODMANS PATENT PORTABLE DRILLER Fig. 231.

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectpipefittings, bookyea