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Scientific American, Vol. 62, No. 22 (May 1890) (1890)
leaf 3
and apertures. The tapering section easily conveyed at will from place to place. ed by Mr. Edward Z. Kidd. The concentrating table fits into a casing section, upon which is fitted a spoke For further information relative to this invention ad- consists of a series of sections of a pane of glass… … possibilities. SCHIRK'S INDEX PLATE FOR GEAR-CUTTING MACHINES. KIDD'S ORE CONCENTRATOR. © 1890 SCIENTIFIC AMERICAN, INC.Munn · Water · Adapted · Rice · Patents · Scientific American · Tallapoosa · Wire cloth · Typewriting machine · Stained glass · Red scale · Illustration represents · Lead strips · Carbonic acid · Fire alarm · Express money
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