. Tables of piping standards. - ? 7H «T 35/e i** 8 OT Sx 8 i 2x8 M SaOI 21 . s icfi • . -•:.. ?* .. PITTSBURGH PIPING & EQUIPMENT CO. PITTSBURGH STEEL MILLS HYDRAULIC STANDARD 5EMI STCEL— 80O POUNDS WATER WORKlNQ. PRESSURECAST — I50O POUNDS WATER WORKINGS PRESSURE. kL ^^j

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpipefit, bookyear1919