in our illustration are com- means the dies are carried forward constantly parallel to extremity of a drop or clutch, which is hinged to the frame bined a variety of novel and ingenious devices which, to- themselves and the work, thus obviating friction from any at or near its middle, so that its… … the hot article iB rather trying. ThiB is what recently hap- being removed, and the centering device in Fig. 8 being sub- The motive power may be steam, in connection with a pul- pened to the Gould & Curry people in California. A large stituted. ley, or hand labor, employed through a crank. Upon a…
Patents · Cylinder · Consists · Center · Iron · Improved · Scientific American · Pivoted · Professor huxley · Postage included · Cast Iron · Left hand · Steam chest · Grand cash · Screw ring · Steam engine · National board
Internet Archive · Public domain (published before 1931). Free to use for anything.