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Three-inch A.A. cartridge cases. Beginning as a flat disc, the antiaircraft case is now advanced to a tubular shape of increased length and is nearly ready for the third draw that will lengthen it still more. Before the drawing operation a plant workman gives it a rough trim
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Three-inch A.A. cartridge cases. Beginning as a flat disc, the antiaircraft case is now advanced to a tubular shape of increased length and is nearly ready for the third draw that will lengthen it still more. Before the drawing operation a plant workman gives it a rough trim

Palmer, Alfred T., United States. Office For Emergency Management · 1942-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
ohiosafety film negativesunited states
Credit lineThree-inch A.A. cartridge cases. Beginning as a flat disc, the antiaircraft case is now advanced to a tubular shape of increased length and is nearly ready for the third draw that will lengthen it sti. 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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