Renwick, James, 1790?-1863 · New York, G. & C. & H. Carvill · leaf 230
levers being alsofurnished with handles, to enable the valves to be open andshut by hand, the apparatus was called the Hand Gear, theframe and pins, the Plug Frame. This mode of workingthe valves continued to be used up to the beginning of thepresent century, with but little improvement; nor has… … a is the boiler. t, the steam pipe. c, the steam valve. c, the Cylinder, into v^^hich the injection water is seenplaying through the valve and pipe p, r, the piston. 5, the snifting valve. m, a reservoir of v^^ater, whence the injection pipe is sup-plied, and water flows through the pipe n to keep…
Steam-engines
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