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Scientific American, Vol. 80, No. 15 (April 1899) (1899)

leaf 7

An illustration from Scientific American, Vol. 80, No. 15 (April 1899), 1899, leaf 7
covered by a grating in demonstrating beyond a City Hall Park. This doubt its utility for rapid served as an outlet and transit purposes and the inlet for air, according as fact that such a work the car was driven by could be readily carried on pressure of air on its end under Broadway without down… … into the street, have been proved by actual expe- clean, well lighted tunnel, which it is hoped this city ENTRANCE TO TEE BBOADWAT TUNNEL. rience, to be unfounded. will soon possess. The Beach tunnel runs under Broadway south to Prof. Koch and malaria. a point just opposite the Prof. Robert Koch,…

Naval · Turret · Guns · Apparatus · Scientific American · Locomotive · Motive power · Hot water · White pass · Years ago · Main central · Motor carriage · Fire protection · Honey bee · High speed

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