Inside wall of tunnel showing 64 ducts.
Summary
Tags
subways
new york state
new york
railroad construction and maintenance
illustrations
rare book division
interborough rapid transit the new york subway its construction and equipment
ultra high resolution
high resolution
interborough rapid transit company author
wall
tunnel
ducts
interborough rapid transit
new york subway
subway
new york city
Date
1904
Contributors
Interborough Rapid Transit Company, Author
Location
New York
Source
New York Public Library
Link
Copyright info
Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")