. 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. Air Door and 456. Two Sizes, 8x8 in., 8x12 in.

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectpipefittings, bookyea