A catechism of the steam engine and its various applications to mines, mills, steam navigation, railways, and agriculture (1876)
Bourne, John, civil engineer. [from old catalog] · New York, D. Appleton and company · leaf 244
PE^^N■s Disc Valvf, for Air Pump.Ground Plan. … Maudslays Disc Valye for Air Pump.Section. The lower point of the 230 CONSTRUCTION OF VALVE PLATES. bolt should be riveted over on the nut to prevent it from unscrew-ing, and the top end should have a split pin through the pointfor the same pui-pose. The hole through which the bolt passesshould be…
Steam engineering · Steam-engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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