Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 345
Fig. 72.—Compound <.<>ndensing engine—details … the tapered upper [)art of the annular chamber: then, as it passes this tapered portion, it ismore comi)letely resisted, the only escape for the imprisoned air being such as is provided bythe adjusting screw. By means of this screw any desired adjustment of cushion can be made,interposed leathers…
Mechanical engineering
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