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1781 |
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(1781): Lavoisier drafts a catalogue of his cabinet of natural history.
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(1781): Lavoisier drafts the program for a prize to be offered in 1783 for the best process for converting common salt into soda.
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(1781): Comments of Sébastien Mercier on the Ferme Générale: "… là s'engouffra l'argent arraché avec violence de toutes les parties du royame."
Tableaux de Paris, vol. 1, 1781.
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(1781-01-27): Letter from Lavoisier to Franklin again dealing with the shipment of saltpetre to America.
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(1781-02-07): Montigny and Lavoisier report favorably on the Baron de Dietrich's mineralogical and geological observations on the volcano of Kamtshakta.
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(1781-02-08): Lavoisier is nominated foreign member of the Literary and Philosophical Society of Manchester
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(1781-06): Experiments of Lavoisier, Laplace and Gaux on the construction of barometer with flat surface and on the expansion of mercury.
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(1781-06-27): Berthollet requests commissioners to examine his treatise on chemistry. Lavoisier and Macquer are names.
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(1781-08-08): At the Académie "M. Lavoisier a commencé un Mémoire sur les baromètres à surface plane et sur la dilatation du mercure." Reading completed August 11.
P-V, 1781, fol. 175.
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(1781-08-08): Lavoisier and Berthollet report on the Baron de Dietrich's translation of Scheele's work on air and fire.
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(1781-10-10): Study on fermentation of sugar. Liberation of gas.
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(1781-11-16): Study of vaporisation of ether. The vaporisation is carried out over heated mercury; the drop in temperature of mercury is measured.
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(1781-12): Lavoisier and Macquer report very favorably on Berthollet's treatise on chemistry.
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(1781-12): Solution of iron in nitric acid. Collects the nitrous air, precipitates the iron; crystallisation of salpêtre.
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(1781-12): Experiment on heated iron. Heats the iron alon in a retort, no results; he heats steels, obtains an inflammable air which burns a blue flame (carbon monoxide). Following this, dissolution of iron in nitric acid.
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(1781-12-01): Lavoisier drafts a summary on Scheele's treatise on fire and presents it to the Académie. Lavoisier commends the experimental work but feels that Scheele's doctrine doesn't fit the facts.
P-V, 1781, fol. 229.
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(1781-12-08): Attempt to calculate the heat fusion of wax by mixing melted and solid wax. Same experiment on suet.
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(1781-12-22): At the Académie Lavoisier and Laplace record the description of a pyrometer for the measurement of the thermal explansion of metals with a precision of "un dixième de ligne."
P-V, 1781, fol. 254.
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(1781-12-26): Resumes experiments with Laplace on heat and dilatation of metals.
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