File:John Thomas Dunn (chemist).jpg

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English: John Thomas Dunn, Chemist
Date
Source Pulverised and Colloidal Fuel, Van Nostrand Company, New York, 1924
Author Unknown authorUnknown author

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Public domain
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:John_Thomas_Dunn_(chemist).jpg

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2 January 1924Gregorian

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current15:31, 5 March 2021Thumbnail for version as of 15:31, 5 March 20211,723 × 2,230 (458 KB)VortexionioUploaded a work by Unknown from Pulverised and Colloidal Fuel, Van Nostrand Company, New York, 1924 with UploadWizard

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