Autograph letter : place not specified, to Charles Augustin de Ferriol, comte d'Argental, [1739] Feb. 2.
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Du Châtelet, Gabrielle Emilie Le Tonnelier de Breteuil, marquise, 1706-1749
http://n2t.net/ark:/99166/w6gn91dx (person)
Gabrielle Émilie Le Tonnelier de Breteuil, Marquise du Châtelet was a French natural philosopher and mathematician from the early 1730s until her death due to complications during childbirth in 1749. Her most recognized achievement is her translation of and commentary on Isaac Newton's 1687 book Philosophiæ Naturalis Principia Mathematica containing basic laws of physics. The translation, published posthumously in 1756, is still considered the standard French translation....
Argental, Charles-Augustin de Ferriol, comte d', 1700-1788
http://n2t.net/ark:/99166/w68w3jnj (person)