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Scientific American, Vol. 43, No. 24 (December 1880) (1880)
leaf 4
granted to J. B. Stoner, August 12,1878, and June 1, proved revolving scraper mounted upon wheels, which is so the covers and leaves secondaries; and as will be readily seen, 1880. These scales are intended for use in warehouses, each secondary is directly opposite its corresponding pri-… … C. H. DENISON'S REFERENCE INDEX. notches are necessary that the secondary fea- other parts cut into the ground. © 1880 SCIENTIFIC AMERICAN, INCPatents · Iron · Patented · Apparatus · December · Scientific American · Machine · Gutta percha · Steam boiler · Pumping apparatus · Electric light · Live stock · Trade catalogs · Wood working · Crank pin · Professor henry
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