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Excerpt from Transactions of the American Society of Civil Engineers, Vol. 61: December, 1908For 140 variation Of temperature, the change in tension per square inch is 26 810 lb. In the former, and 21450 lb. In the latter case. To avoid this variation in the tension of the contact wire, an automatic adjustment Of its length has been adopted on the line

Title : Transactions of the American Society of Civil Engineers, Vol. 61: December, 1908 (Classic Reprint)
Author : American Society of Civil Engineers
Language : en
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Uploaded : Apr 11, 2021

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