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catskill

construction

new york

new york public library

new york state

new york n y board of water supply compiler

photographs of the catskill water supply system in process of construction

concrete stone

superstructure

public
4 media by topic ∙ page 1 of 1
Hudson pressure tunnel. Intrerior of temporary superstructure over Drainage shaft showing gas-engine hoist and switchboard on right, ... Contract 90. August 31, 1914.

Hudson pressure tunnel. Intrerior of temporary superstructure over Dra...

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Superstructures. View of Lower gate-chamber superstructure of concrete-stone, at Ashokan reservoir. Note reinforced-concrete roof tiles. Beaver Kill dikes in background. Contracts 124 and 145. August 31, 1917.

Superstructures. View of Lower gate-chamber superstructure of concrete...

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

City tunnel. Interior of temporary superstructure over Shaft 11 showing discharge pipe from float at left, telescope with crane in center, and at right traveling crane above and cable reel below. Contracts 140 and 166. January 5, 1917.

City tunnel. Interior of temporary superstructure over Shaft 11 showin...

Public domain photograph related to New York City, free to use, no copyright restrictions image - Picryl description

Superstructures. Wallkill blow-off chamber. Superstructure of brick with concrete-stone trimming and reinforced -concrete roof tiles. Contract 117. August 21, 1917.

Superstructures. Wallkill blow-off chamber. Superstructure of brick w...

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description