e brought - country through the Scientific American Patent Agency, dated to work the cutter. to their work, the cutter stocks can be reversed in the bear- January 19, 1869. _We copy the following engraving and ings, D; sothat the chisels will then give a back as well as “ A connecting rod or link,… … F, can be lowered to clear the chisels, and thearms be run end of the mainshaft. The crank pin of this crank worksin “We illustrate, above, an ingenious yet simple arrangement back to their normal position, and thus give a second or third a hollow screw clamp; aud by varying the position of the…
Internet Archive · Public domain (published before 1931). Free to use for anything.
