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Scientific American, Vol. 62, No. 22 (1890) (1890)
leaf 3
, with a series of studs to receive the spokes, dress the inventor as above. the upper surfaces being concaved, and the panes being which are tubular, and preferably round at their outer 8 AN INDEX PLATE FOR GEAR-CUTTING MACHINES, and flattened at their inner ends. The felly is made of An indicator… … possibilities. KIDD’S ORE CONCENTRATOR, © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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