A photograph of the Haber synthetic ammonia catalyst testing plant at the American University in Washington, The image shows a high pressure storage and purification train. The photo was taken by photographer and was issued and taken on January 30th, 1920. The notes indicate that it was taken from the Tes office.

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Size: 8457px × 5781px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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