Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 201
inch. The face of the gauge is graduated from 0 to 30in. of mercury. One inch of mercury = 0-491 lb. pressure. This isusually taken as 0 5, and then 1 lb. pressure = 2 in. of mercuryapproximately. To convert the reading of the vacuum gauge into pounds per squareinch pressure measured from absolute… … FiG. 200 denser and air-pump worked by its own separate steam-cylinder.Such an arrangement is shown in Fig. 200, which illustrates theWorthington independent jet condenser. Exhaust steam enters at A and passes into the vacuum chamber F,through a spray of cold water issuing from the cone valve D,…
Steam-engines
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