From The New York Public Library: Interborough rapid transit; the New York subway, its construction and equipment

Saturday, August 20, 2016

Interborough rapid transit; the New York subway, its construction and equipment

Exterior view of power house, 1904

34th Street and Park Avenue, looking south, 1904

Cross section of power house in perspective, 1904

Standard steel construction in tunnel - third rail protection not shown, 1904

5,000 K. W. alternator - main power house, 1904

Source: From the New York Public Library

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