file which includes the numerous original illustrations.
See 17569-h.htm or 17569-h.zip:
(http://www.gutenberg.net/dirs/1/7/5/6/17569/17569-h/17569-h.htm)
or
(http://www.gutenberg.net/dirs/1/7/5/6/17569/17569-h.zip)





Interborough Rapid Transit

THE NEW YORK SUBWAY

Its Construction and Equipment







[Illustration: OPERATING ROOM OF POWER HOUSE]


[Illustration: (I.R.T. symbol)]