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A black and white photo of a man working in a factory. Office of War Information Photograph
Conversion. Copper and brass processing. Drawing seamless copper tube. Rough cast tubes tapered at one end to fit through a die are gripped in the tongs of the electric motor-driven vehicle on the drawbench and pulled or "drawn" through the die to reduce them to the desired size. Tubes usually are redrawn many times; each successive "draw" reduces the diameter, and increases the length. Brass tubes need to be annealed or softened between each draw, but copper tubes can be drawn several times without intermediate annealing. The tapered nose of the tubes may be seen just behind the drawbench operator. The tube is checked with a micrometer after being drawn, to make sure it is the right diameter. The man looking through the short section of tube is inspecting the inner surface for flaws. The Chase Copper and Brass Company, Euclid, Ohio
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Santos Farm, Santos Barn, 1481 Mowry Avenue, Fremont, Alameda County, CA
Santos Farm, 1481 Mowry Avenue, Fremont, Alameda County, CA
Erhebungsnummer: HABS CA-2289 Bau- / Baudaten: ca.
Santos Farm, 1481 Mowry Avenue, Fremont, Alameda County, CA
Erhebungsnummer: HABS CA-2289 Bau- / Baudaten: ca.
Santos Farm, Santos Barn, 1481 Mowry Avenue, Fremont, Alameda County, CA
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Zusammenfassung
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Tags
Quonset-Hütten
Metallgebäude
Fremont
Bauernhof
Quonset
Hütte
Quonset-Hütte
mowry
Allee
maurige Allee
alameda
Alameda County
Kalifornien
Garagen
Arbeitskräfte
Industriegeschichte
Kongressbibliothek
Datum
1980
Mitwirkende
Historic American Buildings Survey, creator
Maul, David, transmitter
Schafer, Jack, photographer
Lage
Fremont
,
37.56099, -121.97916
Quelle
Library of Congress
Link
Copyright-info
No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html