A sandhog calls out the number of inches of the "shove"

A sandhog calls out the number of inches of the "shove"

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Description
Early in 1939 Carl Mydans traveled 100 feet underground to document the building of the Midtown Tunnel in New York City, which runs under the East River all the way from 42nd Street in Manhattan to Queens. His photographs were published in LIFE magazine (April 3, 1939) and earned Mydans a Grand Prize by U.S. Camera [n.d.].
At the moment this picture was taken, hydraulic jacks from the shield-- a criss-cross structure of heavy girders ringed in steel plate-- is pushing against the last laid iron section. As the shield pushes ahead into the river bed, the "shove" is called out. Afterwards, sections are plugged to avoid any air leaks. In good ground, the shield makes one shove every five hours; in bad ground, it can take up to twenty-four hours.
Location
Currently not on view
Object Name
photograph
Date made
1939
photographer
Mydans, Carl
place made
United States: New York, New York City
Physical Description
paper (overall material)
Measurements
overall: 8 in x 10 in; 20.32 cm x 25.4 cm
ID Number
2005.0228.051
accession number
2005.0228
catalog number
2005.0228.051
See more items in
Work and Industry: Photographic History
Carl Mydans
Photography
Data Source
National Museum of American History
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