Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 252
he valve O is open atthe top of the tube communicating between the boiler and the bottom BOILER FEEDERS HOUGET & TESTON S. 235 of the feeder, the water will descend freely, lifting the light valve M,which is placed there to prevent an ascent of the water from the boilerinto the feeder, in case… … Houget & Testons Feeder—enlarged view of upper part. in consequence of which the feeding process would be arrested. Inorder to prevent this a catch is fixed to a lever connected with the ver-tical rod W which hooks on to a stud at the extremity I of the lever E,and prevents the descent of that…
Machinery · Scientific apparatus and instruments
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