. Hudson & Manhattan tunnels : uniting New York and New Jersey in picture and story. . wand of the magician seems to have left its mystic spell, the touch of the artist itsharmonizing beauty, the brain of the architect the air of security and stability, and themoulding and stroke of the artisan its ever-present and masterly monument to Ameri-can engineering enterprise. Ventilation. There is always a gentle breeze here. The trains in their passing tooand fro act as giant pistons whose every movement changes the atmosphere in thetunnel, forcing out the foul air, and creating a vacuum in
. Hudson & Manhattan tunnels : uniting New York and New Jersey in picture and story. . wand of the magician seems to have left its mystic spell, the touch of the artist itsharmonizing beauty, the brain of the architect the air of security and stability, and themoulding and stroke of the artisan its ever-present and masterly monument to Ameri-can engineering enterprise. Ventilation. There is always a gentle breeze here. The trains in their passing tooand fro act as giant pistons whose every movement changes the atmosphere in thetunnel, forcing out the foul air, and creating a vacuum in the rear which draws in asupply of fresh air from the surface, thereby giving an absolutely perfect is for this sanitation system that the web-wall was built between the tracks in thesubway portions of the system, in contradistinction to the system in vogue in the con-struction of other metropolitan subways. A Giant System. The McAdoo system of tunnels and subways consists of abouttwenty miles of underground and under-river construction in the metropolitan district,. Ready for the webbing of tangled iron rods which are to form the archings. and when the system is completed, the cost will reach nearly, if not quite, seventymillions of dollars. The work has afforded employment to an army of professional and laboring men,as many as eight thousand five hundred persons having been engaged at one time. The Cars. The cars are constructed exclusively of steel and carborundum, and areabsolutely fireproof. The trains are vestibuled and the cars divided into sections;entrance to and exit therefrom is obtained through sliding doors at both ends and inthe center of each car. These are controlled and operated by compressed air. Signaling. A train is made up of eight cars, forming a complete compressed airsystem, automatically signaling the motorman to go ahead, when every car door inthe train has been securely closed. No bell or other form of signaling is used, and whileany o
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttunnels, bookyear1908
