. United States Court of Appeals For the Ninth Circuit. No, 732,319. PATENTED JUNE 30, B. ROGERS & F. P. CONCENTRATOR. APPLIOATION TILED JUNE 29, 1901, 2 SHEETS-SHEET /^^S. No. 732,319. Patented June 30, 1903. United States Patent Office. EDWARD B. ROGERS AND FREDRICK P. HANSON, OF SAN FRANCISCO, CALIFORNIA. ORE-CONCENTRATOR. SPECIFICATION forming part of Iietters Patent No. 732,319, dated June 30, 1903. Application filed Jano 29, 1901. SerialNo- 66,548. (No model.) To all whom it ruaij concern: 13e it known tluit we, Edward B. Rouersand Fredrick P. Hanson, ciMzens of th
. United States Court of Appeals For the Ninth Circuit. No, 732,319. PATENTED JUNE 30, B. ROGERS & F. P. CONCENTRATOR. APPLIOATION TILED JUNE 29, 1901, 2 SHEETS-SHEET /^^S. No. 732,319. Patented June 30, 1903. United States Patent Office. EDWARD B. ROGERS AND FREDRICK P. HANSON, OF SAN FRANCISCO, CALIFORNIA. ORE-CONCENTRATOR. SPECIFICATION forming part of Iietters Patent No. 732,319, dated June 30, 1903. Application filed Jano 29, 1901. SerialNo- 66,548. (No model.) To all whom it ruaij concern: 13e it known tluit we, Edward B. Rouersand Fredrick P. Hanson, ciMzens of theUnited States, and residents of tlie city and5 county of San Francisco and State of Califor-nia, liave invented certain new and useful Iin-provementsin Ore-Concentrators,of which thefollowing is a inventiojr relates to improvements to made in ore-concentrators of the kind or de-scription known as concentrating-tables, inwhich the mineral particles are separated fromthe sand and worthle^;s matter by the com-bined influence and action of the vibratory IS motion of the table and currents of water flow-ing over the table-surface transversely acrossor in directions mo
Size: 1228px × 2034px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorunitedstatescourtofap, bookcentury1900, bookdecade1910
