Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 236
is not sufficiently large to interferewith the working of the valve in other respects The Giffard Injector. rj7 The escape valve, p, Fig. -i, being closed and steam let on, nojet can be established nor any water forced into the boiler, thepressure of steam will then be exerted to force its way into… … It must, of course, be remembered, that after driving steamthrough in this way for some time, the feed pipe and its contentswill become highly heated. It will, therefore, be impossible tostart the injector until this very hot water has been drawn throughand ejected by the escape valve. If this…
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