Engineering & Construction

Roanoke Farms Construction: 1938

Roanoke Farms Construction: 1938

Old cars at community center construction project in the white settlement of Roanoke Farms, North Carolina. Photo taken in 1938 by photographer John Vachon. FSA / OWI Photograph Collection. LOC original medium: 35 mm nitrate negative.

Big Nut: 1942

Big Nut: 1942

Mechanical maintenance worker tightening a nut on a guide vane operating servo-motor at the TVA hydroelectric plant at Watts Bar Dam, Tennessee. Photo taken in 1942 by photographer Alfred T. Palmer. FSA / OWI Photograph Collection. LOC original medium: color transparency.

Manhattan Bridge from Brooklyn: 1909

Manhattan Bridge from Brooklyn: 1909

Manhattan Bridge under construction, as seen from Brooklyn, 1909. Bain News Service, publisher. LOC original medium: 8 x 10 inch glass negative.

TVA Phosphate Furnace: 1942

TVA Phosphate Furnace: 1942

TVA chemical plant electric phosphate smelting furnace used to make elemental phosphorus, Muscle Shoals area, Alabama. Photo taken in 1942 by FSA photographer Alfred T. Palmer. FSA / OWI Photograph Collection. LOC original medium: color transparency.

Syrian Water Wheel: early 1900s

Syrian Water Wheel: early 1900s

Water wheel on Orontes River, Hama, central Syria north of Damascus. Photo by American Colony, Jerusalem, between 1898 and 1914. LOC original medium: dry plate glass negative.

2nd Bull Run Bridge: 1862

2nd Bull Run Bridge: 1862

Union men building a bridge across the north fork of the Rappahannock River, vicinity of Fauquier Sulphur Springs, Virginia. Photograph from the main eastern theater of the war, 2nd Battle of Bull Run. Photo taken in August 1862 by photographer Timothy H. O'Sullivan. LOC original medium: wet collodion stereograph glass negative.

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