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Scientific American, Vol. 44, No. 20 (May 1881) (1881)
leaf 4
hem 80x60 feet. Here about 75 tons of pig- nence—Mr. McCormick's claim was refused, not on the iron, from its two cupolas, are daily transformed into cast ground of its invalidity, but because the invention was of Chicago to assist him in the manufacture of the machine. The former continued with… … the development of their twine hinder is tho MAKING HARVESTER WHEELS. chines, which insures greater strength and ©1881 SCIENTIFIC AMERICIAN, INCPatents · Vapor · Apparatus · Patented · Scientific American · Ascending · Electric light · Distilled water · Specific gravity · Patent office · Horse power · Ethereal solution · Trade catalogs · Hydrogen dioxide · Caustic potash
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