WX I \W I Ul/ THE ADVOCATE OF INDUSTRY, AND JOURNAL OP SCIENTIFIC, MECHANICAL AND OTHER IMPROVEMENTS. [NUMBER 27. NEW-YORK, MARCH 22, 1851. VOLUME 6.] pins passes through slits, and they are suspend- ed by their heads, as seen in section B, fig. 2. MACHINE FOR STICKING PINS INTO PAPER. Scientific… … desirous of giving every facility for the im- plate, Y, tbe end at x being as broad as the down by the springs, h h, to hold the paper. This is one of the most ingenious machines provement of Railway communication in North slides. The other end is bent upwards, so The slide, W, runs the paper…
Patents · Pins · Wire · Claim · Plate · Lever · Scientific American · Magnet · Fly lever · Small table · Patent office · Letters patent · Steam engine · Great variety · Zinc ore · Great number · Partially represented
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