[CHEMISTRY]. HENRY, Etienne Ossian (1798-1873). 3 dense L.A. - Lot 216

Lot 216
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Result : 386EUR
[CHEMISTRY]. HENRY, Etienne Ossian (1798-1873). 3 dense L.A. - Lot 216
[CHEMISTRY]. HENRY, Etienne Ossian (1798-1873). 3 dense L.A.S. S.l., January 26 and February 13, 1842 and n.d. 12 pp. in-8. -Two long scientific missives addressed to the physician and dermatologist Pierre François Olive Rayer (1793-1867). The two letters deal with "tests on milk for the caseum question". The experiments carried out are described with many details as to the dosages and the results obtained. -A letter concerning the order of a "safety apparatus" to Mr. Deleuil (probably Jean-Adrien Deleuil, engineer of scientific instruments). Henry adds that he "promptly needs the glass-blowing table" that he showed him, and asks that Mr. Deleuil place a lamp complete with wick and pipe and deliver it to the pharmacist Deroque.
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