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Scientific American 1913-07-26

Scientific American 1913-07-26.jpg Scientific American 1913-05-10ThumbnailsScientific American 1913-09-20Scientific American 1913-05-10ThumbnailsScientific American 1913-09-20Scientific American 1913-05-10ThumbnailsScientific American 1913-09-20Scientific American 1913-05-10ThumbnailsScientific American 1913-09-20Scientific American 1913-05-10ThumbnailsScientific American 1913-09-20

The elevated sidewalk: How it will solve city transportation problems. [Cutaway view shown.] If the real capacity of power-propelled machinery is to be gained in city transportation, foot and vehicular traffic must be segregated. Each type of transport will then be free to develop itself along its own lines.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner