Books by Potamian, Brother
- Alias O'Reilly, M. F. (Michael Francis)
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Displaying results 1–2
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The Letter of Petrus Peregrinus on the Magnet, A.D. 1269
active 13th century de Maricourt Pierre
Nov 21, 2015
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Makers of Electricity
James J. Walsh and Brother Potamian
Apr 21, 2014
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Displaying results 1–2
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