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Scientific American, Vol. 28, No. 14 (April 1873) (1873)
leaf 8
imeter of a wheel. They are prevented from falling off by stops, and are compressed between a descending plunger and two lateral dies, which remove all irregularities and produce a nail of perfect finish and form. One more process yet remains to be accomplished. It consists in placing the nails,… … THE HEADING MACHINE. THE SHAPING MACHIK © 1873 SCIENTIFIC AMERICAN, INC.Patents · Iron · Boiler · Wheel · Consists · Improved · Scientific American · Steam engine · Steam boiler · Sewing machine · Tanite emery · Horse power · Steam pipe · Address munn · Trade catalogs · Short time
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