Public domain
Production. New Tennessee Valley Authority synthetic ammonia plant. Making a pipe joint on a liquid vaporizer in the TVA's new synthetic ammonia plant in the Muscle Shoals area. Ammonia is made here by the high-pressure synthesis of nitrogen and hydrogen. The ammonia thus secured is converted at Mus
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Credit lineProduction. New Tennessee Valley Authority synthetic ammonia plant. Making a pipe joint on a liquid vaporizer in the TVA's new synthetic ammonia plant in the Muscle Shoals area. Ammonia is made here b. 1942-01-01. Palmer, Alfred T., United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.