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PILATRE DE ROZIER Jean-François (1756-1785) physicien, chimiste et aéronau
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PILATRE DE ROZIER Jean-François (1756-1785) physicien, chimiste et aéronaute
He died while attempting to cross the English Channel in a hot-air balloon.
L.A.S. "Pilatre de Rozier", to the 1st Museum April 13, 1784| 2 and a half pages in-4 (slight fading).
Very rare scientific letter.
Continuous fatigues disturbed his health. Having finished a course of physics, he resumes his correspondence and thanks the Society which delivers him a diploma: "it will be the most flattering reward that one will be able to grant to my efforts [...] A crowd of experiments having convinced me that the gas withdrawn from the fecal matter [....] was only altered by an oily matter, I imagined forming a soap which succeeded so completely, that I dare to propose to try this experiment to go from
Calais or the surroundings to Dover. Different attempts assure me that there is not an atoma of mephitic gas, nor of sulphurous acid, especially when the first products are separated. He sent to M. de FAUJAS [DE SAINT-FOND] the memoir of his correspondent, "persuaded that he will welcome it for his new edition. Between us however, I will observe that you do not announce any new facts. In truth you have called upon our best authors and the choice joined to the simplicity and the clearness of your observations are titles which show more work than the most brilliant discoveries have often required". He will write himself new memoirs as soon as his health is restored...
He died while attempting to cross the English Channel in a hot-air balloon.
L.A.S. "Pilatre de Rozier", to the 1st Museum April 13, 1784| 2 and a half pages in-4 (slight fading).
Very rare scientific letter.
Continuous fatigues disturbed his health. Having finished a course of physics, he resumes his correspondence and thanks the Society which delivers him a diploma: "it will be the most flattering reward that one will be able to grant to my efforts [...] A crowd of experiments having convinced me that the gas withdrawn from the fecal matter [....] was only altered by an oily matter, I imagined forming a soap which succeeded so completely, that I dare to propose to try this experiment to go from
Calais or the surroundings to Dover. Different attempts assure me that there is not an atoma of mephitic gas, nor of sulphurous acid, especially when the first products are separated. He sent to M. de FAUJAS [DE SAINT-FOND] the memoir of his correspondent, "persuaded that he will welcome it for his new edition. Between us however, I will observe that you do not announce any new facts. In truth you have called upon our best authors and the choice joined to the simplicity and the clearness of your observations are titles which show more work than the most brilliant discoveries have often required". He will write himself new memoirs as soon as his health is restored...