Catalogue of Mining Machinery

Catalogue of Mining Machinery

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ...smaller provinces. These machines are used by all the largest and best mining companies in the world, and are considered the STANDARD machine, and have a world_wide reputation. There have been sold on the Pacinc Coast alone over 1,600 of these machines, and in all cases they are giving entire satisfaction. We have placed on the market, after a thorough trial extending over five (5) years, a Six_Foot Frue Vanner, with a capacity of five (5) stamps. This Vanner is the same as the regular style four_foot Frue, except that it is six feet wide. The capacity of this six_foot machine being equal to live stamps is unquestioned, as, wherever they have been introduced, they are handling the pulp from live (5) stamps, and in all cases are giving entire satisfaction; not only giving a perfectly clean concentrate, but, if possible, they show less loss per ton of pulp than the regular four_foot Frue, with (2) two machines to each live stamps. Six (6) of these six_foot machines have been in constant use at the Silver King Mine in Arizona, since August, 188x, and have given most satisfactory results, as the accompanying testimonial will show. These six_foot machines, as now made, are strong and durable. The small galvanized iron rolls are made double the thickness of iron, and the gudgeons are nearly twice as large as those for the regular four-foot machine. The connecting springs are heavier, the stretchers in the carriage frame to which the connecting springs are fastened are made of Il in. iron pipe, with a square socket head at each end, and are fastened to the ash side rail by means of short ' in. bolts, which pass through the_side rail and screw into the socket head, making them not only lighter, but stronger and more durable, as...show more

Product details

  • Paperback | 50 pages
  • 189 x 246 x 3mm | 109g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236890175
  • 9781236890177