Scientific American Volume 86 Number 14 (April 1902) (1902) (14774017015)

Identifier: scientific-american-1902-04-05 (find matches)

Title: Scientific American Volume 86 Number 14 (April 1902)

Year: 1902 (1900s)

Authors:

Subjects: feet scientific tion steam electric automobile tbe patent union pacific scientific american gas engine foreign trade sewing machine long island maximum grade glass palace wireless telegraphy lifting power

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of 97.7 feetto the mile. To get around this obstacle, theline between Beaufort and Loraine, a distanceof 30 miles, was relocated, and the new surveyshowed that the summit could be crossed at anelevation 250 feet lower than the old line, andthat the desired maximum grade of 43.3 feetper mile could be obtained by cutting a tunnelabout 1,800 feet in length. Including this re-construction, there are about eight different fuel used, and a considerable increase in the loadsthat can be hauled. Thus, the old grade of ShermanHill necessitated the assistance of fifteen extra loco-motives to carry trains over the grade, whereas sincethe change no extras whatever are required. Thetotal cost of the work has been put down at $15,000,-000, and it is estimated that the reduction in actualoperating expenses and the increase in earnings willenable the road to recover the outlay within a reason-able time. The first improvement lies west of Cheyenne, in theBeaufort-Laramie cutoff. The distance by the new

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pazifischer Gas- und Stromkonzern Scientific American, Band 86, Nummer 14, April 1902 drahtlose Telegrafie Buchillustrationen Geschichte der Technologie elektrische Energie Radio Kabellose Kommunikation Bilder aus dem Internetarchiv Union Pacific Railway Company der Staat New York

1902

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