CUT-AWAY VIEW OF CHICAGO'S SUBWAY IN THE CENTRAL BUSINESS DISTRICT
Shown are the main tubes: the downtown center platform, which is 3500 feet long; the two-way escalators to the mezzanines with store connections; and the State St. surface level. Features of the subway are ventilation, illumination, escalators, safety, comfort.
Handwritten 1943 date on back
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the transportation label
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I love anything vintage, especially the 1940's. This is lovely. Thank you so much for sharing.
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