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File:Catalyzers for oxidizing ammonia gas.jpg

Catalyzers_for_oxidizing_ammonia_gas.jpg ‎(354 × 507 pixels, file size: 67 KB, MIME type: image/jpeg)

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Description
English: Screen capture from page 15 of the journal shown above. Shows catalyzers used for the oxidation of ammonia gas, in the Muscle Shoals Nitrate Plant, "the largest synthetic nitrogen works in the world". Image sharpened using GIMP.
Date
Source Chemical engineering (1902? article shows 1919-editor's note), online at Archive.org, https://archive.org/details/chemicalengineer20newy
Author Various
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Catalyzers_for_oxidizing_ammonia_gas.jpg

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current01:03, 10 January 2012Thumbnail for version as of 01:03, 10 January 2012354 × 507 (67 KB)Oaktree b (talk | contribs){{Information |Description ={{en|1=Screen capture from page 15 of the journal shown above. Shows catalyzers used for the oxidation of ammonia gas, in the Muscle Shoals Nitrate Plant, "the largest synthetic nitrogen works in the world".}} |Source

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