, and pound; on screws of any other material than iron, ranged with a collar, H, on the sliding spindle that renders the treadle a much better agent for impart- and all other screws of iron except wood screws, 35 the auger can be set to bore a hole of any depth by ing the power applied to it. We… … factures of steel, or of which steel shall be a com- KAEFER'S TREADLE MOTION. ponent part, not otherwise provided for,. 35 per cent ad valorem—provided that all articles partially man- In the perspective view (Fig. 1) so many pulley arms, pass of the machine here shown (some six feet square) and…
Combination · Claim · Manner · Purpose · Set · Patents · Munn · Constructed · Purposes set · Address munn · Scientific American · Patent office · Purpose set · July double · Illustrated phrenological · York city · Steam engine · Park row
Internet Archive · Public domain (published before 1931). Free to use for anything.
