The Lumber World Volume 6

The Lumber World Volume 6

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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. 1908 edition. Excerpt: ...has been extensively laid in the middle west, and oak, cypress, white pine, hemlock, western red cedar, cottonwood, mesquite, Osage orange, redwood, Douglas fir, and tamarack in various cities of the country. Untreated American red gum, tried in England, raised great hopes, but it finally proved unsatisfactory. Pavement of Australian eucalyptus has lasted for from fifteen to twenty years in the streets of London. It is more slippery. however, than American woods, and its cost, about $5 a square yard in the United States, is prohibitive. In recent years the difficulties which attended the use of wood pavement have been largely overcome by better methods of handling, treating, and laying the blocks. Creosote is the best of the preservatives in common use for wood pavement. Since it is insoluble in water, it does not leach out, and if a suflicient amount is injected into the blocks it prevents the entrance of water, which weakens the pavement. The blocks should be rectangular in shape. For heavy traflic their depth should be not less than 4 inches. The usual width is 3 or 4 inches, and the best length from 6 to 10 inches. They should be laid with the grain vertical, on a concrete foundation having a thin surface cushion of sand or other material. The Forest Service has recently issued a publication, Circular I41, which deals with wood paving in the United States. This publication can be had upon application to the Forester, United States Department of Agriculture. Vliashington, D. C.. Judging from the actions of several of the large yellow pine manufacturing concerns, they have but a single object in life and that is to force the price of their commodity to the lowest level possible. In no other branch of the industry is such great...
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Product details

  • Paperback | 528 pages
  • 189 x 246 x 27mm | 930g
  • United States
  • English
  • black & white illustrations
  • 123683027X
  • 9781236830272