The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 357
unicating with a reservoir in this cylinder, the smallpiston works, descending through a water-tiglit collar into the space s, whichis open to the air. A: is a pipe communicating with the large cyander at the 38» 520 THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. [Oct. end of which is a valve / opening… … the difference of the solidili/ of the two parts 0/ t/te piston d e, which will bea very little if the two parts rf and e, are nearly alike ; thus giving it the ad-vantage of a small piston while it still possesses the strength of a large one.I have not marked the handle and other parts as they do…
Architecture · Civil engineering · Science
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