The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 172
g the otherarrangements necessary for propelling a train of carriages upon a line ofrailway, between the rails of which is placed the tube a, and continuedthroughout the whole length of the line. Within this tube there are tw«pistons b b, connected together by meant of a pipe c with a stop-eock d\… … Fig. 1. train, a portion of which is marked with the letter /. Fig. 2 represents atransverse seciion of the apparatus taken through the line A B of fig. 1, inwhich is shown the mode of closing the longitudinal opening hy means of aTalve g sliding edgeways into a groove or recess formed in the upper…
Architecture · Civil engineering · Science
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