Channel Railway: Description of a Proposed Cast-iron Tube for Carrying a Railway Across the Channel Between the Coasts of England and France |
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20 miles 30 inches accordingly accumulators on shore additional amount of tonnage annular discs assume atmosphere average barometer bolted boss bottom building the Tube carbonic acid cast cast-iron caulking Channel Railway compression construction convenience cylinder daily deep water Dieppe difference of pressure displaced effect elastic force engines England and France exhaust pumps expansion fitting chamber flanges frame fresh air groove ground half hydraulic presses inches mercury inches of mercury inches thick increased indicated horses insure joints last pile lathes machinery main shaft mechanical operations miles an hour ordinary pass pipes piston planing plates Pneumatic system position produce progress of building proposed line propulsion quantity readily reduce Royal George screw screw motion segments shore end shore to shore slide Straits of Dover supply tainted air tension tion tons train Tube in deep Tunnel turned turntable various operations velocity ventilation waggons weight workmen wrought-iron