|
|
|
| |
1781 |
|
 |
(1781-02-07): Montigny and Lavoisier report favorably on the Baron de Dietrich's mineralogical and geological observations on the volcano of Kamtshakta.
|
|
|
(1781-02-08): Lavoisier is nominated foreign member of the Literary and Philosophical Society of Manchester
|
|
|
(1781-06): Experiments of Lavoisier, Laplace and Gaux on the construction of barometer with flat surface and on the expansion of mercury.
|
|
|
(1781-06-27): Berthollet requests commissioners to examine his treatise on chemistry. Lavoisier and Macquer are names.
|
|
|
(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.
|
|
|
(1781-08-08): Lavoisier and Berthollet report on the Baron de Dietrich's translation of Scheele's work on air and fire.
|
|
|
(1781-10-10): Study on fermentation of sugar. Liberation of gas.
|
|
|
(1781-11-16): Study of vaporisation of ether. The vaporisation is carried out over heated mercury; the drop in temperature of mercury is measured.
|
|
|
(1781-12): Lavoisier and Macquer report very favorably on Berthollet's treatise on chemistry.
|
|
|
(1781-12): Solution of iron in nitric acid. Collects the nitrous air, precipitates the iron; crystallisation of salpêtre.
|
|
|
(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.
|
|
|
(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.
|
|
|
(1781-12-08): Attempt to calculate the heat fusion of wax by mixing melted and solid wax. Same experiment on suet.
|
|
|
(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.
|
|
|
(1781-12-26): Resumes experiments with Laplace on heat and dilatation of metals.
|
| |
1782 |
|
|
(1782): Lavoisier admitted as "associé libre" to the Société Royale de Médecine.
|
|
|
(1782): Lavoisier and Laplace design an instrument, the calorimeter, for the measurement of heat.
|
|
|
(1782): Award of the prize of saltpetre (postponed from 1778) to the Thouvenel brothers. Lavoisier, as secretary of the commission, is charged with editing for publication the collection of memoirs submitted.
|
|
|
(1782-02-07): Expansion of mercury. Lavoisier weighs the overflow of mercury from a flask upon expansion.
|
|
|
(1782-02-07): Solution of steel springs in nitric acid.
|
|
|
(1782-03-06): At the Académie Lavoisier and Laplace record date of a series of experiments on electrical phenomena accompanying vaporization or condensation.
|
|
|
(1782-03-18) (1782-03-23): A commission (including Lavoisier) from the Académie and the Société Royale de Médecine observes M. Janin's process of emptying cesslpools, which was supposed to destroy the deadly vapors.
|
|
|
(1782-03-26): Flame of enameller's lamp intensified by oxygen.
|
|
|
(1782-03-26): Lavoisier begins experiments on organic substances.
|
|
|
(1782-04-07): Condorcet initials a copy of the Mémoire sur un moyen d'augmenter considérablement l'action du feu et de la chaleur dans les opérations chimiques.
|
Back