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Three-inch A.A. cartridge cases. Antiaircraft cartridge cases are unloaded from a stress-annealing furnace which has made them soft, uniform and ductile, ready for succeeding machine operations. The big Midwest plant doing this work is ideally equipped for volume production of war necessities like these cases

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ohio
safety film negatives
stow ohio
three inch
cartridge
cases
cartridge cases
antiaircraft
antiaircraft cartridge cases
furnace
uniform
ductile
machine
operations
machine operations
midwest
plant
midwest plant
work
volume
production
volume production
war
necessities
war necessities
1940s
40s
united states history