Image depicting the Haber synthetic ammonia catalyst testing plant located at American University in Washington In the photo, there are catalyst bombs and a switchboard. The image was taken on January 30th, 1920 by photographer Sot. Hitz. It is a symbol photo with number 67762 and was received on February 4th, 1920. The notes mention that it is a official documentation.

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

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