. United States Court of Appeals For the Ninth Circuit. f the table-surface constituting a series ofshallow step-like riffles in a continuous inte-gral surface, for substantially the purposes forth. 3. An improved concentrating-tiible hav-ing a table-surface embodying a series ofraised ribs or riffles which in part are raisedou >oth sides, and in part are raised only on 90one side, forming a step-like foruiiition, theline or zone of demarkatiou between suchpart being less oblique to the ribs on the up-per or higher side of the table and more ob-li(iiie or transverse to the ribs on th
. United States Court of Appeals For the Ninth Circuit. f the table-surface constituting a series ofshallow step-like riffles in a continuous inte-gral surface, for substantially the purposes forth. 3. An improved concentrating-tiible hav-ing a table-surface embodying a series ofraised ribs or riffles which in part are raisedou >oth sides, and in part are raised only on 90one side, forming a step-like foruiiition, theline or zone of demarkatiou between suchpart being less oblique to the ribs on the up-per or higher side of the table and more ob-li(iiie or transverse to the ribs on the lower or 95tailings side of the table, forsttbslaiitially thepurposes set forth. Signed this Uih day of March, 1901, at A-a-conda, Montana. IRA AUSTIN CAMMETT. Witnesses: R. DE B. Smith,J. W. Mkhargey. COMPLAINANTS EXHIBIT No. 60 Cammett & Shepard Patent No. 769,431 ALMON E. HART, Special Examiner No. 769,431. PATENTED SEPT, 6, 1904 I. A. CAMMETT & F. E. SHEPARD. ORE CONCENTRATOR. APPLICATION FILED MAE. 29, MODEL. 6 SHEETS—SHEET t/vvt INVENTORSATTORNEY No. 769,431. PATENTED SEPT. 6, A. CAMMETT & F. E. CONCENTRATOR. APPLIOATIOH FILED HAE. 29, 1898. 5 SHEETS-SHEET 2.
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