Null Georges POUCHET (1833-1894), naturaliste et anatomiste français, spécialist…

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Georges POUCHET (1833-1894), naturaliste et anatomiste français, spécialiste des poissons et des cétacés et professeur au Muséum d'histoire naturelle. Il fit partie de l'expédition des sources du Nil et participa à une expédition polaire. C.A.S., adressée à son « cher collègue », le physicien Edmond Becquerel (1820-1891). Paris, 1er septembre 1888. 1 p. ½ in-12 oblong. En-tête imprimé du Journal de l'Anatomie et de la Physiologie. Pliure horizontale avec légère déchirure, sans atteinte au texte. Pouchet demande à Becquerel s'il peut lui emprunter son spectroscope, appareil destiné à observer les spectres lumineux, ayant oublié le sien à Concarneau, où il dirigeait alors Laboratoire de biologie marine. [Edmond Becquerel fit grand usage de ce spectroscope : il découvrit en 1839 l'effet photovoltaïque, par la génération d'une tension électrique par action de la lumière sur un conducteur. Il mit aussi en évidence des phénomènes grâce à la photographie en spectroscopie].

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Georges POUCHET (1833-1894), naturaliste et anatomiste français, spécialiste des poissons et des cétacés et professeur au Muséum d'histoire naturelle. Il fit partie de l'expédition des sources du Nil et participa à une expédition polaire. C.A.S., adressée à son « cher collègue », le physicien Edmond Becquerel (1820-1891). Paris, 1er septembre 1888. 1 p. ½ in-12 oblong. En-tête imprimé du Journal de l'Anatomie et de la Physiologie. Pliure horizontale avec légère déchirure, sans atteinte au texte. Pouchet demande à Becquerel s'il peut lui emprunter son spectroscope, appareil destiné à observer les spectres lumineux, ayant oublié le sien à Concarneau, où il dirigeait alors Laboratoire de biologie marine. [Edmond Becquerel fit grand usage de ce spectroscope : il découvrit en 1839 l'effet photovoltaïque, par la génération d'une tension électrique par action de la lumière sur un conducteur. Il mit aussi en évidence des phénomènes grâce à la photographie en spectroscopie].

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Estim. 100 - 150 EUR

POUCHET. Set of 2 documents: - Félix-Archimède POUCHET (1800-1872), biologist, he defended the theory of heterogeny (spontaneous generation), opposing Pasteur; he was also, with Négrier, the first to describe scientifically the mechanism of ovulation in the human species and in mammals. Autograph letter signed and addressed to zoologist, paleontologist and entomologist Paul GERVAIS (1816-1879), then Director of the Chair of Zoology and Comparative Anatomy at the Montpellier Faculty of Science. Rouen, February 7, 1847. 2 pp. in-4. Printed letterhead of the Museum d'Histoire Naturelle de Rouen. Address on verso of second leaf with postmarks. Some creasing. Letter dedicated to the creation of a Faculty of Sciences in Rouen, modeled on those in Paris and Montpellier. Pouchet explains his project and questions Gervais about current practices at the Montpellier institution. - Georges POUCHET (1833-1894), French naturalist and anatomist, specialist in fish and cetaceans and professor at the Muséum d'Histoire Naturelle. He was part of the Nile Springs Expedition and took part in a polar expedition. Autograph card signed and addressed to physicist Edmond BECQUEREL (1820-1891). Paris, September 1, 1888. 1 p. ½ in-12 oblong. Printed letterhead of the Journal de l'Anatomie et de la Physiologie. Bending with slight tear, without damage to text. Pouchet asks Becquerel if he can borrow his spectroscope, a device for observing light spectra, having forgotten his own in Concarneau, where he was then head of the Laboratoire de biologie marine. [Edmond Becquerel made great use of this spectroscope: in 1839, he discovered the photovoltaic effect, through the generation of an electrical voltage by the action of light on a conductor. He also demonstrated phenomena using spectroscopic photography].

Estim. 500 - 600 EUR

GEORGES-LOUIS LECLERC, COUNT OF BUFFON (Montbard, France, 1707-Paris,1788). "General and particular natural history". 13 volumes. Printer: Vicente Frossart y Compañía. Madrid, 1844. In good condition with light rust marks. Measurements: 25 x 19 x 3.5 cm (x13). Georges-Louis Leclerc, Count de Buffon was a French naturalist, mathematician and cosmologist. He held the position of intendant (director) at the Jardin du Roi, now called Jardin des plantes. Buffon's works influenced the next two generations of naturalists, including two prominent French scientists, Jean-Baptiste Lamarck and Georges Cuvier. Buffon published thirty-six quarto volumes of his Histoire Naturelle during his lifetime, and additional volumes based on his notes and research were published in the two decades following his death. Ernst Mayr wrote that "Buffon was truly the father of all natural history thought in the second half of the eighteenth century." Although he was one of the first naturalists to recognize ecological succession, the theology committee of the University of Paris forced him to retract his theories on geological history and animal evolution because they contradicted the biblical account of Creation.

Estim. 100 - 200 EUR

GEORGES-LOUIS LECLERC, COUNT OF BUFFON (Montbard, France, 1707-Paris,1788). "Historia natural general y particular Tomo I-II". Printer: Vicente Frossart y Compañía. Madrid, 1844. It has engravings. It has faults and part of the cover is slightly detached. Measurements: 25 x 18.5 x 2.5 cm. Georges-Louis Leclerc, Count of Buffon was a French naturalist, mathematician and cosmologist. He held the position of intendant (director) at the Jardin du Roi, now called Jardin des plantes. Buffon's works influenced the next two generations of naturalists, including two prominent French scientists, Jean-Baptiste Lamarck and Georges Cuvier. Buffon published thirty-six quarto volumes of his Histoire Naturelle during his lifetime, and additional volumes based on his notes and research were published in the two decades following his death. Ernst Mayr wrote that "Buffon was truly the father of all natural history thought in the second half of the eighteenth century." Although he was one of the first naturalists to recognize ecological succession, the theology committee of the University of Paris forced him to retract his theories on geological history and animal evolution because they contradicted the biblical account of Creation. It has engravings. It has faults and part of the cover is slightly detached.

Estim. 250 - 300 EUR

A CIRCULAR CHAMBER STICK WITH SNUFFER, LONDON 1750. Made by specialist candlestick maker, William Gould. 14 cm. dia. 378 g. PROVENANCE: From the Private Collection of the Late George Withers (1946-2023)

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