File:The street railway review (1891) (14574748298).jpg

Identifier: streetrailwayrev01amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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-be arranged above one another. For instance, a cityrequiring rapid transit between the center and suburbsshould not have through traffic stopped at intervals of lessthan one and a half or two miles. If stops are more
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SEIBKRLING S TRUCK. To begin with, it is almost unnecessary to state that theplan is very simple, taking into consideration fundamentalprinciples of mechanics. The construction consists ofa series of long spans of suspension cable, which cable iscontinuous for any section or the entire length of the rail-way. A span of 300 feet is said to work out more eco-nomically, but spans of 500 feet have been successfully run.The new principle of stiffening suspension cables whichconstitutes the essential part of the system, is the means usedto dispense with the heav) dead weight of the suspensionstructure in carry-ing safely the moving load. Mr. Day haseffected this by means of under cables curved in the oppo-site direction to the upper continuous cable. These twosets of cables are tied to each other by vertical ties atintervals of twelve to fifteen feet so that whatever tensionstress is applied by means of weights, is immediatelytransmitted to the upper cable by means of the ties, thusproducin

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