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Rh l'Académie des Sciences. M. Berthelot, Secrétaire perpétuel pour les sciences physiques.

Eleven years after the death of Lavoisier, his widow was married to Count Rumford—the founder of the Royal Institution, London. Two years after the death of Lavoisier, his wife published his Mémoires de Chimie (1796-99), in four volumes; and between the years 1857 and 1896, Lavoisier's Œuvres Completes, in six volumes, edited by Dumas and Grimaux, were published at the expense of the French Government.

We conclude our study of Lavoisier in the words of Galileo: "Ricordiamoci in grazia, che il cercar la constituzione del mondo è de' maggiori e de' più nobili problemi, che sieno in natura." 2