. Railroad structures and estimates . 110 6i 6^ 21 H 100 51 51 2! t\ 95 5t\ 5t% 2H t\ 90 5f 5f 2t J% 85 5t\ 5A 2tV T% 80 5 5 2^ H 75 m 4H 2M H 70 4f ^ 2tV 65 4tV 4tV 913 12 60 ^ 4i 2f H 55 4tV 4tV 2i H 0. / 50 3| 31 2^ 7 45 3ii 3ii 2 It A R. E. A. RAIL. (Tentative sections propose
. Railroad structures and estimates . 110 6i 6^ 21 H 100 51 51 2! t\ 95 5t\ 5t% 2H t\ 90 5f 5f 2t J% 85 5t\ 5A 2tV T% 80 5 5 2^ H 75 m 4H 2M H 70 4f ^ 2tV 65 4tV 4tV 913 12 60 ^ 4i 2f H 55 4tV 4tV 2i H 0. / 50 3| 31 2^ 7 45 3ii 3ii 2 It A R. E. A. RAIL. (Tentative sections proposed.) Weight Area ofsections. Dimensions. Properties. per yard. Height. Base. Head. Web. I. r. s. X. Pounds. In. In. In. In. In.« In. In. 90 ♦^8 5^ 2^ ^ 2M 100 6 5t 2H A 2i no 6i 5^ 2^^ ^. 2H 120 61 5i 21 f 2M 130 61 6 2^ M 3,^T 140 7 6i 3 H 3A RAIL DIMENSIONS AND PROPERTIES. A. R. A. ^1. Series A. Weightper yard. Area ofsection. Dimensions. Properties. Height. Base. Head. Web. I. r. s. X. Pounds. In. In. In. In. In. In. In. 10090 807060 6 5f514f4i 51 5i414i4 21 2t\ 2f2i 9 If1 2 15 32 Head
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Keywords: ., bookauthororrockjohnwilson1870, bookcentury1900, bookdecade1910
