. Cassier's magazine. gth of the outlet to the air-pumpchamber. The fact that steam, even at very lowpressures, will flow at a high velocityinto a still lower pressure, is made useof in the ejector condenser. One ofthese condensers, as made by & Co., of London, is shownin Fig. 28. Water enters preferablyunder a head of several feet,—thegreater the head, the better the enters by the petticoat pipe, andis entangled with the water, and, avacuum once formed, the steam flowswith a high velocity and adds velocityto the flowing water, the combinedstreams flowing off togeth
. Cassier's magazine. gth of the outlet to the air-pumpchamber. The fact that steam, even at very lowpressures, will flow at a high velocityinto a still lower pressure, is made useof in the ejector condenser. One ofthese condensers, as made by & Co., of London, is shownin Fig. 28. Water enters preferablyunder a head of several feet,—thegreater the head, the better the enters by the petticoat pipe, andis entangled with the water, and, avacuum once formed, the steam flowswith a high velocity and adds velocityto the flowing water, the combinedstreams flowing off together. Condens-ers of this type will give a vacuum of 26inches under ordinary a head of water is not available,the supply is furnished by a pump. The ejector condenser is simply a par-ticular case of the exhaust steam injector,which, however, it antedated manyyears. A simple calculation will showthe manner of working. The velocityof steam being, let it be assumed, 800 68 CASSIERS MAGAZINE <48. oiJ^^H w^
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