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Scientific American, Vol. 26, No. 17 (April 1872) (1872)

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An illustration from Scientific American, Vol. 26, No. 17 (April 1872), 1872, leaf 0
itate the getting on and off of pas- be used as the wholesale department. sengers, without risk of injury to life "This elevated sidewalk, even with or limb, or loss of time to otherB who the second story, is reached from the are already traveling on it. ground by stairways fronr every cor- Fig. 1… … SPEER'S ENDLESS TRAVELING OR RAILWAY SIDEWALK. © 1872 SCIENTIFIC AMERICAN, INC

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