Ternant, A. L. (Alcide Ludovic), 1832-1884 · London ; New York : G. Routledge and Sons · leaf 80
iers from any particular office. Several similar circuits, each comprising a larger or smaller number of intermediate offices, may have their terminations at the office provided with the machinery. The power of the machines will of course depend, other things being equab upon the length of the… … this arrangement is evidently greater than that which would be obtained if the compressed or the rarefied air were used alone. It should be observed that I he internal pressure of the air varies throughout the tube. When no carrier is passing, this pressure, at its maximum near the reservoir of…
Telegraph
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