Illustrated Catalogue of Machinery

Illustrated Catalogue of 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. 1881 edition. Excerpt: ...with a mop stick when the cams need lubricating; this will be indicated by the too rapid revolutions of the tappets. The stems may be lubricated with a similar compound made softer by having less rosin and lampblack put in. RIBON & MARCH. Hibbs' Improved Assay Furnace. Eetorts, Condensers, Molds, Etc. To hold 1000 ozs. amalgam $30 00 "" 1500"" 35 00 Liebig condenser and rubber bag fitted to retort, as above illustrated, $10.00 Rubber hose of any length required: J inch in diameter, per foot 16 cts. i" "" 20" Ingot molds of any size, for gold or silver bars, are made with a slight taper (so ingot will readily fall out), and are finished smooth inside with round corners. They can also be lettered in bottom to order. We also make adjustable molds for any shape bar desired, which can be set to hold from one to fifty ounces. Grinding and Arr Thb above cut represents our Grinder and Amalgamating Pan. The muller has six arms, with six steel shoes attached, running on a die consisting of part wood-on-end and part metal (or all metal if preferred), and radial grooves to catch quicksilver and amalgam, and conduct through tube to a lock-cup receiver on outside. Beneath die is a steam space three inches in depth, by which the contents of pan may be heated to any required temperature short of the boiling point. In grinding capacity, it is nearly equal to the best patent pan of same size and about half the price; while as an amalgamator, it is equal to any in the market. We therefore feel confidence in recommending it to the notice of our patrons and pan-users generally. It is four feet, eight inches in diameter and eighteen inches in depth; it takes a charge of ten to twelve hundred pounds. It is erected on...show more

Product details

  • Paperback
  • 189 x 246 x 1mm | 68g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236973453
  • 9781236973450