venience. A thus prevented ed down to the neck, as shown in Fig. 2 ; the supplementary When the maxim um pressure of steam at which the valve perspective view of the invention is given in Fig. 1, and sec- crown section, E, is then swung over the front, below the is set is attained, the valve… … valve is easily set to a pressure ranging shank is placed the flanged nut, G, into which passes the vise screw. The latter is held in from 10 lbs. to 100 lbs., on the square inch. PENFIELD'S IMPROVED VISE. place in the movable jaw by a pin, H, ar- ranged in similar manner, to the piD, D, al- -4»«»~…
Patents · Improved · Boiler · Iron · Feet · Water · Scientific American · Perkins · Enameled iron · Electric force · Iron ware · High pressure · Gun cotton · Original design · Horse power · Molecular action · Yorkshire engine
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