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Scientific American, Vol. 43, No. 13 (September 1880) (1880)
leaf 7
d W. produced without pressure. The applications of this pro- engraving shows a treadle attachment invented by_Mr. D. S. cess are numerous, and include the production of nacre, the Smith, of Nineveh, Ind., is so constructed as to lay the Van Wyck, of Fishkill Plains, N. Y., and re- stalks in proper… … Fail- and at the American Institute Fair. may be lifted and moved by persons taking VAN WYCK'S TREADLE ATTACHMENT For further particulars address the patentee FOR hold of the ends of the beam and rais- as above. SEWING MACHINES. ing the beam from off the vertical rods. © 1880 SCIENTIFIC AMERICAN,…Patents · Benzole · Illustrated · Apparatus · Patented · Scientific American · Lead joints · Carbonic acid · Mason saturator · Russia cattle · Science teaching · Lightning rods · Sandy hook · Cattle hair · Pure benzole
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