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ANDRE AMPERE: (1775 - 1836) French mathematician, chemist and physicist who formulated the basis...

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ANDRE AMPERE: (1775 - 1836) French mathematician, chemist and physicist who formulated the basis...
ANDRE AMPERE: (1775 - 1836) French mathematician, chemist and physicist who formulated the basis for electrodynamics and developed a law on the force between electric currents, eponym of the electric unit of current. Rare A.L.S. "A. Ampere", 2pp. 4to., Paris, Mar. 8, 1834 in French, in part: "...Thank you very much for everything which you have had the goodness to do for my son-in-law...Mr. Ride is, in any case, in the country...I beg you to...let the Military Commissariat know about this temporary absence. After what has been said to Mr. Ride in the War Office, he believes that he can receive his salary at the beginning of next month...send me a little word by post telling me what I can write to my son-in-law. I will write immediately...". Boldly penned with just light showthrough, else very good to fine. $1,000-1,500