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1783 |
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(1783-06-18): At the Académie "M. Delaplace a lu un mémoire fait conjointement avec M. Lavoisier sur une nouvelle méthode de mesurer la chaleur."
P-V, 1783, fol. 144.
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(1783-06-24): Experiments on the production of water by detonating oxygen and hydrogen under a bell jar, carried out in the presence of Blagden, Laplace, Vadermonde, Fourcroy, Meusnier, Legendre and Le Roy.
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(1783-06-25): At the Académie Lavoisier and Laplace announce the experimental results obtained the previous day. Water formed from combining some sixty pints of oxygen and hydrogen; producing only very pure water. They conclude: "l'eau n'est pas une subst
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(1783-07-02): At the Académie Lavoisier, Desmarets, Bossut, Le Roy and Monge are named commissioners for the examination of an aerostatic machine invented by Montgolfier.
P-V, 1783, fol. 150.
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(1783-08-06): Vandermonde reads to the Académie Monge's memoir on the residue of the combustion of inflammable air and vital air, a communication of results obtained by Monge on the composition of water during the month of June, simultaneous with, but ind
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(1783-08-25): Beginning of a series of experiments on dissolving mercury in nitric acid, the purpose being to determine the composition of nitric acid. Experiments continued August 26-October 20.
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(1783-09): Laplace communicates to Lavoisier the idea that hydrogen released by the action of acids results from decomposition of water.
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(1783-09-15): At a meeting of the Société Royale de Médecine Lavoisier presents a memoir on vitriolic ether.
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(1783-09-19): Letter of Macquer to Lavoisier referring to a report they are making together on analysis of certain vegetable ashes sent them by the controleur général.
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(1783-09-27): Iron dissolved in sulphuric acid.
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(1783-10) (1783-11): During recess of the Académie Lavoisier attempts experiments on decomposition of watrer by cold iron filings. Informed by Blagden, then in Paris, of Priestley's regeneration of metals from their calces by the action of hydrogen.
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(1783-10-04): Hydrochloric acid, reaction with alkali and action of iron
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(1783-10-15): Study of combinations of nitrous gas and oxygen.
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(1783-11): Lavoisier carried out studies on beef bouillon prompted by an inquiry of the Ministre de la Marine to the Société Royale de Médecine.
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(1783-12): Madame Lavoisier translates into French e letter by James Watt on the nature of water read before the Royal Society of London.
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(1783-12-06): At the Académie "M. Lavoisier a lu un mémoire sur un moyen d'avoir l'air inflammable à meilleur marché. M. Berthollet a lu un Mémoire sur le même objet."
P-V, 1783, fol. 225.
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(1783-12-18): Resumption of work on calorimetry (with Laplace?) - heats of combustion and specific heats of various substances. Heat produced by respiration of a Guinea pig.
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(1783-12-20): At the Académie Lavoisier deposits several memoirs to secure priority. These include: Study of the composition of nitric acid; on the affinity of oxygen for different substances.
P-V, 1783, fol. 232.
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(1783-12-20): The commissioners of the aerostatic apparatus of Montgolfier read their report.
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(1783-12-20): Following suggestion of Lavoisier, probably made earlier, the Académie appoints a commission to study the perfection of aerostatic machines. Among those named: le duc de Rochefoucauld, Condorcet, Berthollet, Coulomb, Lavoisier.
P-V, 1783, f
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(1783-12-27): First meeting of the commission on the improvement of aerostatic machines.
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1784 |
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(1784): Brossard de Beaulieu paints a portrait of Lavoisier with a Leyden Jar. The portrait will be exhibited at the Salon of 1785 (at the presence of Lavoisier).
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(1784-01-01) (1784-03-14): More calorimetric experiments with Laplace: heats of respiration, of combustion; specific heats. The related memoir is published in the Mémoires de chimie.
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(1784-01-05): Second meeting of the Académie's commission on aerostatic machines, to which Meusnier (not yet a member of the Académie) was adimitted.9
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(1784-01-24): At the Académie "M. Lavoisier a fait voir une machine destinée à employer l'air déphlogistiquée dans les expériences de chimie et à mesurer la quantité d'air qu'elle dépense et à la graduer à volonté."
P-V, 1784, fol. 17.
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