Renwick, James, 1790?-1863 · New York, G. & C. & H. Carvill · leaf 91
rries the weight. Around this rod is a small reservoirof water, communicating with the boiler beneath by apipe reaching nearly to the bottom. The conical valve isadapted to the junction of this pipe with the reservoir insuch a manner as to open the communication when thefloat falls, and close it… … iiii...ium.^nmnHnmi,jmmiu.jii.uMi;n.ii The supply of high pressure boilers, as has already beenstated, is usually effected by means of a forcing pump.See PL IV. Fig, 6. This propels, by the action of the piston a 6, a stream ofwater into a pipe furnished with two stop-cocks or valves,c and d, that…
Steam-engines
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