Manual for railroad engineers and engineering students : containing the rules and tables needed for the location, construction, and equipment of railroads as built in the United States (1883)
Vose, George L. (George Leonard), 1831-1910 · Boston : Lee and Shepard · leaf 344
miles an hour. Thearrangement adopted is sketched roughly in Fig. 137, in whichA A A A is a strong boiler plate box, open at the bottom, with * Kuiimis City Bridge, p. 99. FOUNDATIONS. 319 three holes in the top. Through the central hole a tube was in-serted, reaching downward a little below the… … Fig- 137- pressed air was sent into the caisson, and the workmen ascendedand descended. Each air tube was used alternately, the air cham-ber being fastened to one while the other was being lengthened.The caisson being lowered to the river bed by screws, attached tothe platform, and the pier…
Railroad engineering
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