Extremely influential French chemist (1743–1794) noted for his discovery of the role oxygen plays in combustion. ADS in French, signed “Lavoisier,” one page both sides, 6.5 x 8, January 25, 1785. Referring to himself as “farmer-general [tax collector] of the King, regulator of powders and saltpetre of the Royal Academy of Science,” Lavoisier acknowledges payment to him by Ange de Villars of 5000 livres, his share in the estate of his great-aunt Madame la Laure. Expertly double-matted and framed with an engraved portrait to an overall size of 18 x 15, with a window in the backing for viewing the opposing side. In fine condition, with central vertical and horizontal folds and mild overall foxing. Lavoisier’s studies resulted in innovations in the manufacture of gunpowder and production of salt. Pre-certified PSA/DNA.
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