Browse DSIDetails of the item << Previous Next >> Churchman John J. C. ; probably not probably none 1753 in Nottingham, Pennsylvania ? 1805 George Churchman (1730-1814) Hannah James Churchman (1728-1789) (mother) self-taught student of magnetic phenomena and a cartographer United States of America J. C.: Magnetic Atlas (New York: Printed for the Author, 1790) ; Royal Society of Arts, London ; Russian Academy ; Princess Yekaterina Romanovna Vorontsova-Dashkova (Екатери́на Рома́новна Воронцо́ва-Да́шкова) cartographical drawing https://www.trademarkwise.com/blog/2015/6/17/today-in-copyright-history-617 ; https://www.wikitree.com/wiki/Churchman-149 ; https://www.wikitree.com/genealogy/Churchman-Descendants-129 ; Michael Churchman: The Churchman Family of Nottingham Lots (2013) ; 37309886
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