. Illustrated catalogue of James B. Clow & son, manufacturers of and dealers in supplies for plumbers, steam and gas fitters, water and gas works, railroads and contractors .. . FIG. 479. SECTIONAL. DAVIS NOISELESS BACK-PRESSURE VALVES-FigE . 4-78 and 479. SIZE .... _ - INCHES 2 H 3 H 4 ^ 5 6 7 SCREWED . . - _ EACH SIZE _ - . . INCHES 8 10 12 14 16 18 20 23 24 FLANGED . .DIAMETER OF FLANGE . _ . EACH. INCHES 29 FIG. 480. HENNEBOEHLES BACK-PRESSURE VALVE.

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Keywords: ., bookcentury1800, bookdecade1890, bookidillustratedc, bookyear1894