Bowden-Smith, Edward Cyril · New York, D. Van Nostrand Company · leaf 32
Elevation Leather-hinged Pump Valve its construction and action. Briefly, it consists of awrought-iron plate, to which is riveted a clack of leatherby means of a wrought-iron washer, on the underside,sufficient leather being allowed to project beyond theiron plate to form a hinge. This tab or hinge… … MuLTirLE Cleah-wav Valve Pi,ate (front ti PLATE IV
Pumping machinery
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