Gas Compressor Valve Installation Tennessee Valley Authority 1942

In June 1942, workers fit a valve to a gas compressor at the Tennessee Valley Authoritys synthetic ammonia plant in Muscle Shoals, Alabama. The facility produces ammonia via high-pressure synthesis of nitrogen and hydrogen, crucial for wartime munitions. This operation supports the U.S. military during World War II.

A statement in any room, each reproduction is printed on museum-quality archival paper using a restored version of the original. KNOWOL watermark does not appear on final print.