(t (l Diagram II :a ts = 1, 615. Consequently : a Fs = at: = 2 x 1, 615 = 5, 250, . F: 5, 250 R. 2, 100 aquot; M-54. We have : a F5 F1 R. R. ... 150 bronze telephone wires each 1.6 millimetre (0.065 inch) diameter. Length of adjacent spans: 150 metres ( 492anbsp;...
Title | : | Bulletin of the International Railway Association |
Author | : | International Railway Association |
Publisher | : | - 1903 |
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