Locomotive Appliances Forming One of the Series of Volumes Comprised in the Revised and Enlarged Edition of Kirkman's Science of Railways

Locomotive Appliances Forming One of the Series of Volumes Comprised in the Revised and Enlarged Edition of Kirkman's Science of Railways

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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. 1916 edition. Excerpt: ...of any size, no matter what the pressure is, with little effort, this whistle was designed. The ease of operation can be readily seen by an examination of the cut. The only valve which must be operated by force is the small one which is held closed by a spiral spring pressed to the foot of the lever. A slight pull on this lever pushes inward the valve and permits the steam to flow into a chamber and to open automatically the large valve and sound the whistle. By this device the largest whistles under the highest pressure of steam are operated with ease and rapidity." The Ashcroft four-tone chime whistle is shown in Fig. 5. These whistles are pitched to first, third and fifth of the common musical scale, which harmonizes the sound and gives an agreeable musical chord. ' The chime whistle has proved much more penetrating than the single bell whistle, as shown In Fig. 1, and can be heard at a greater distance, without the harsh, disagreeable noise. _ Many railroads have adopted a chime whistle for passenger runs, in order to distinguish passenger from freight trains; but new locomotives are being added so rapidly, and are of such size as to haul very long trains, and thus require a whistle of maximum penetrating qualities to be heard at the rear end of the train. of Hancock Chime Whistle New Type 1 the frequent breakinglof stay-bolts, STAY BOLTS. The corrugated fire box for locomotive use being only in the experimental stage, it may be said that practically every locomotive has several hundred stay--bolts which form the connecting and strengthening link between the fire-box and the outer shell of the boiler. (For the description and construction of the locomotive boiler, the reader is referred to Vol. I, "The Science of...show more

Product details

  • Paperback | 130 pages
  • 189 x 246 x 7mm | 245g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236971914
  • 9781236971913