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 356
on the cut, butare on the exterior case removed to show the construction. Fig, 60 is an elevation of a boiler with Clarks Patent Steamand Fire Regulator attached, for the control of the draft ofthe chimney by the pressure of steam in the boiler. It consistsof a chamber, a, with a flexible diaphragm… … 342 poeters goyeknor.^ balanced damper, c, in the cliimney. The weight, 5, is placedat any required position on the lever, and when the pressureof steam in the boiler, exerted on the diaphragm, becomessufficient to raise the weight, the lever rises, and the damperbegins to close, and to check the…
Steam engineering · Steam-engines
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