August 21, 2015
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One of a growing collection of transit maps, this cool detailed New York City map, designed by graphic designer/sailing enthusiast/IBM employee Nils Hansell sometime around 1953-1955, offers a mind boggling tableau of (mostly) Manhattan's points of interest, numbered, with a corresponding key. There's also a color-coded schematic to the subway system, which was at the time divided up by its operators, BMT, IND and IRT; the map also shows a remaining few of the city's elevated railway systems, the last of which was ended in 1955.
Check it out here