"Dorsey furnace for producing ethylene using kaolin as catalyst in the Development Division, Chemical Warfare Service, Cleveland, Ohio. This photograph was taken on February 6, 1919, and is part of the collection documenting American military activities during World War I. The furnace was used by the Chemical Warfare Service for developing and testing new techniques and technologies."

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Size: 8448px × 5756px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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