better seen end of such movement will come in contact of the pump. The shell, A, is notched at n to phia, Pa., have invented and patented an im- in Fig. 2. On one of the axles a small toothed proved method of turning the rods in nail RACE & MATTHEWS' IMPROVED OSCILLATING wheel, E, is placed, and by… … forces out a brick upon I, when it is again free, permanent valve seat, upon which the flat placed any distance from the surface in wells, admit of the seat, D, and is mounted in a the spring, I, brings the rod, K, up, and ready valves, E E', rest (a a' being the openings of and so are applicable…
Claim · Combination · Patents · Manner · Set · Cotton · Arranged · Purpose · Purpose set · India rubber · Endless chain · Purposes set · Patent office · Manner set · Lower ends · York city · Scientific American · Carbonic acid
Internet Archive · Public domain (published before 1931). Free to use for anything.
