ee miles an hour. The ting his laboratory with the new apparatus. A, represents a suitable frame of wood to which the other batteries that were used in the drill differ very much from I have had the pump in operation in my laboratory for parts of the machine are fastened. B represents fixed bear-… … CANFIELDS, IMPROVED PATENT ELEVATOR unloading at any floor, and for one of their principal advantages over the ordinary kind be- power hoists, provides at once for the slipping off, stretching the demand for wolf traps, beaver traps, and squaw axes ing the impunity with which they can be thrown…
Patents · Iron · Cornish · Apparatus · Consists · Machine · Antedated june · Water · Water works · Water power · Scientific American · Improved arrangement · Cornish engine · Wrought iron · Natural power · Pumping engines · Steam cylinder
Internet Archive · Public domain (published before 1931). Free to use for anything.
