Special Reports on Petroleum, Coke, and Building Stones Volume 1-2

Special Reports on Petroleum, Coke, and Building Stones Volume 1-2

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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. 1884 edition. Excerpt: ...the heaviest purchasers of natural lubricating oils that will not thicken at a low temperature. Oils of this quality, as well as reduced oils, are very largely used on railroads, as also some of the petroleum mixtures, such as the " pine-tar compound," the " galena oils," and the "plumbago oils." A report of a committee of the Railway Master Mechanics' Association of the United States, appointed to examine into and report on the subject of lubricants, recommended a good quality of natural earth oils as the best to use for lubricating machinery and journal boxes. It is less expensive and of a better quality than other oils. When treated so as to reach 28 of gravity, it was found to work with perfect success. It had been reported favorably on from Canada in the north to Kentucky in the south. A test of various oils had been made with the oil-tester on the Lake Shore road; sperm, lard, and tallow were used, and none of them were found topossess qualities which render their use advisable. In their experiments the committee used a machine the size of a regular axle-box, and 50 drops were poured in at a temperature of 60, and the wheel was allowed to revolve at arate of speed equaling 35 miles per hour until a temperature of 200 was reached. The length of time, number of revolutions, and amount of friction were all noted. Attention was called to the result obtained from tests with parafiine oil which costs from 25 to 30 cents per gallon, and which has been used on railroads in preference to lard oil. Parafiine oil costing 25 cents, with which six experiments had been made, showed that twenty-four minutes were required to reach the maximum temperature, during which time it gave 11,685 revolutions; castor...
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Product details

  • Paperback | 396 pages
  • 189 x 246 x 21mm | 703g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236908589
  • 9781236908582