Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 238
heck valve, which would cause thesteam to pass through the alarm check into the waste pipe, so as toattract notice. With regard to the economy of the Injector, we may look at thesubject in a purely theoretical point of view, and reach a conclusionfounded upon general principles which we will find… … MAIN CHECK. Journal Franklin Institute, Vol. LVI. The Giffard Injector. Plate 11.
Science · Technology · Meteorology · Patents
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