■JT' kBI** it Jtauertot *w*.■mt" J .ai¥iSAH3 m xgmnisxx* &ro jroramaJE us sciMraisxG. nsco&snra&K ass vmm isxmwrmwm. VOLUME VII.] [NUMBER 38. NEW-YORK, JUNE 5,1852. Scientific American, USHER'S ROTARY STEAM PLOW..—Pig. 1. CIRCULATION 16,000. PUBLISHED WKEKLT … hedged in against such accidents; no common U, are secured a series of plates, 6' 6', which wheels, which revolve in bearings, C, attach- Figure 1 is a side elevation, with the nigh road being allowed openly to traverse a rail? are formed in such a manner as to have affixed ed to the swivel frame,…
Patents · Plow · Planing · Claim · Railroad · Scientific American · Anthracite coal · York city · Patent granted · Horse power · Hot air · Pendulum rod · Steam engines
Internet Archive · Public domain (published before 1931). Free to use for anything.
