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Railroad structures and estimates . material per mile, above subgrade, see table 7, p. 13.* Price for angle bars accompanying rail orders, F. O. B. Chicago, 1908 delivery.1.5 cts.; car lots.
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A course in structural drafting; . ing table. The number of threads perinch is the number of turns the nu1must make to move it along the bolia distance of i. The length
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