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Yonkers pressure tunnel.  One type of steel forms for lining tunnel. ... Contract 54. November 15, 191.

Yonkers pressure tunnel. One type of steel forms for lining tunnel. ... Contract 54. November 15, 191.

description

Summary

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

date_range

Date

1918
person

Contributors

New York (N.Y.). Water Supply Board, Compiler
place

Location

New York
create

Source

New York Public Library
copyright

Copyright info

Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")

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