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Displaying results 1471 - 1480 of 7895

A-9 unit transformer at the Hoover Dam: photographic print

Date

1954-05-13

Description

From the Morgan Sweeney Photograph Collection (PH-00228). A unit A-9 transformer in transit via cableway to the Nevada wing for assembly on October 16, 1951.

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Butterfly valve at the Hoover Dam: photographic print

Date

1957-07-19

Description

From the Morgan Sweeney Photograph Collection (PH-00228).Penstock cover plate about to be removed for installation of butterfly valve.

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Butterfly valve at the Hoover Dam: photographic print

Date

1955-05-07

Description

From the Morgan Sweeney Photograph Collection (PH-00228). Lowering butterfly valve into position between penstock and turbine on Feburary 16, 1952.

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Unit A-4 generator at the Hoover Dam: photographic print

Date

1952 (year approximate)

Description

From the Morgan Sweeney Photograph Collection (PH-00228). Unlading quarter section of Unit A-4 generator stator at No. 2 warehouse, circa 1952.

Image

Unit A-4 generator at the Hoover Dam: photographic print

Date

1957-05-25

Description

From the Morgan Sweeney Photograph Collection (PH-00228). Unit A-4 generator. Stator and air housing in place on foundation. Lower bearing bracket and brakes in place ready to receive rotor on January 10, 1952.

Image

Nevada Spillway at the Hoover Dam: photographic print

Date

1959-03-06

Description

From the Morgan Sweeney Photograph Collection (PH-00228). Low water as of 11:00 A.M at the Nevada spillway on May 13, 1954.

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View of the Hoover Dam, Arizona: photographic print

Date

1959-01-21

Description

From the Morgan Sweeney Photograph Collection (PH-00228)

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N-8 turbine ring at the Hoover Dam: photographic print

Date

1964-02-27

Description

From the Morgan Sweeney Photograph Collection (PH-00228). N-8 turbine ring, at No. 2 warehouse location showing special low-slung car and height of load, 15'2" above car bed gauging distance piece on December 1, 1959.

Image

View of the Hoover Dam, Arizona: photographic print

Date

1959-04-19

Description

From the Morgan Sweeney Photograph Collection (PH-00228)

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Mechanism for the gates at the Hoover Dam: photographic print

Date

1961-04-06

Description

From the Morgan Sweeney Photograph Collection (PH-00228). Man working on the mechanism for raising and lower the stoney gates on November 27, 1955.

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