Hammer and Tongs: 1943

Shorpy:

March 1943. "Santa Fe R.R. shops, Albuquerque. Hammering out a drawbar on the steam drop hammer in the blacksmith shop." 4x5 Kodachrome transparency by Jack Delano for the Office of War Information.

Safety Tip #47: Why it's important to properly vent a tank car before emptying it

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via Cynical-C Blog