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catskill

construction

contract

new york

new york n y board of water supply compiler

new york public library

new york state

photographs of the catskill water supply system in process of construction

pressure

yonkers pressure tunnel

public
11 media by topic ∙ page 1 of 1
Camps. Yonkers pressure tunnel. ... Contract 54. October 28, 1910.

Camps. Yonkers pressure tunnel. ... Contract 54. October 28, 1910.

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

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. ....

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

Yonkers pressure tunnel. Contract 54. September 25, 1914.

Yonkers pressure tunnel. Contract 54. September 25, 1914.

Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description

Yonkers pressure tunnel. Contract 54. November 21, 1913.

Yonkers pressure tunnel. Contract 54. November 21, 1913.

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

Yonkers pressure tunnel. Finished lining in foreground. Placing concrete in side-walls and arch in background. ... Contract 54. May 1, 1912.

Yonkers pressure tunnel. Finished lining in foreground. Placing concr...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Yonkers pressure tunnel. Completed section of standard circular type of tunnel 16 feet 7 inches in diameter. Station-marking tile on left. Contract 54. November 21, 1913.

Yonkers pressure tunnel. Completed section of standard circular type o...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Yonkers pressure tunnel. View showing completed grading around Shaft 8. Contract 12. August 23, 1917.

Yonkers pressure tunnel. View showing completed grading around Shaft 8...

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

Yonkers pressure tunnel. Steel ribs for concrete forms, made up of 5-inch I-beams spaced 3 feet apart. Lagging plates placed as concrete is built up from the invert. Contract 54. May 1, 1912.

Yonkers pressure tunnel. Steel ribs for concrete forms, made up of 5-i...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Yonkers pressure tunnel. Structural-steel interlining before the concrete lining was placed. ...Contract 54. October 9, 1912.

Yonkers pressure tunnel. Structural-steel interlining before the conc...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Yonkers pressure tunnel. Contract 54. April 18, 1913.

Yonkers pressure tunnel. Contract 54. April 18, 1913.

Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.

Yonkers pressure tunnel. ... Contract 54. October 9, 1912.

Yonkers pressure tunnel. ... Contract 54. October 9, 1912.

Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.