Author:John Williams Langley

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John Williams Langley
(1841–1918)

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Professor of Chemistry, Western University of Pennsylvania (University of Pittsburgh)

Works

Articles in Popular Science Monthly

"Synthetic Chemistry" in Popular Science Monthly, 5 (May 1874)
"Some Material Forces of the Social Organism" in Popular Science Monthly, 46 (February 1895)

Some or all works by this author were published before January 1, 1929, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.

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