Pesquisando por: "Joseph Louis Gay-Lussac, French chemist" - Fotoarena - Agência de fotojornalismo

hiphotos394120 The late M. Gay-Lussac, 1850. Portrait of the French chemist and physicist. '. The war-balloon which had been employed by the French army in Egypt was given to the custody of MM. Biot and Gay-Lussac, and refitted under their direction .They ascended from Parish August 23, 1804, and made a number of very interesting experiments at various heights, ranging from 6,500 to 13,000 feet. On September 15, in the same year, M. Gay-Lussac made a second ascent, and reached the great height of four miles and a quarter; he brought down with him from this elevation a flask of air, which, on analysis, was found to be exactly the same as the air collected near the surface of the earth Few men have led such a life of scientific industry as M. Gay-Lussac. There is scarcely a branch of physical or chemical science to which he has not contributed some important discovery'. From "Illustrated London News", 1850//

hiphotos015066 Joseph Louis Gay-Lussac, French chemist and physicist, c1860. Gay-Lussac (1778-1850) investigated the behaviour of gases and developed techniques of chemical analysis. He was important in industrial chemistry for the introduction of lead chambers for the production of sulphuric acid. Gay-Lussac made balloon ascents to investigate terrestrial magnetism and composition and characteristics of the atmosphere at different altitudes. He determined that the same volume of any gas will expand equally in response to the same increase in temperature. From Chemistry by James Sheridan Muspratt. (London, c1860).//

hiphotos067082 Joseph Louis Gay-Lussac, French physicist and chemist, 1848. Gay-Lussac (1778-1850) made balloon ascents to investigate terrestrial magnetism and composition and characteristics of the atmosphere at different altitudes. He determined that the same volume of any gas will expand equally in response to the same increase in temperature. Amongst his achievements in chemistry were recognising iodine as a chemical element, and being one of the discoverers of the element boron. A photograph from Album de Photographies, Dans L'Intimite de Personnages Illustres, 1850-1950, Editions MD, 22 Rue de L'Arcade, Paris 8, 1850-1950.//

hiphotos015064 Joseph Louis Gay-Lussac, French chemist, physicist and balloonist, c1824. Gay-Lussac (1778-1850) investigated the behaviour of gases and developed techniques of chemical analysis. He was important in industrial chemistry for the introduction of lead chambers for the production of sulphuric acid. Gay-Lussac made balloon ascents to investigate terrestrial magnetism and composition and characteristics of the atmosphere at different altitudes. He determined that the same volume of any gas will expand equally in response to the same increase in temperature.//

hiphotos015065 Joseph Louis Gay-Lussac making a balloon ascent from Paris, 14 September 1804 (1910). On this flight, French chemist and physicist Gay-Lussac (1778-1850) reached a height of 7016m and confirmed many of the observations he and Jean Baptiste Biot (1774-1864) made on their flight of 20 August 1804. Theirs was the the first balloon ascent made specifically for scientific purposes and they studied the composition of the air and the effect of altitude on terrestrial magnetism. From La Navigation Aerienne by J Lecornu. (Paris, 1910).//

hiphotos043902 Joseph Louis Gay-Lussac's hot air balloon ascent, Paris, September 1804 (1900). On this flight, French chemist and physicist Gay-Lussac (1778-1850) reached a height of 7016m and confirmed many of the observations he and Jean-Baptiste Biot (1774-1864) made on their flight of 20 August 1804. Theirs was the the first balloon ascent made specifically for scientific purposes and they studied the composition of the air and the effect of altitude on terrestrial magnetism.//

hiphotos015063 Joseph Louis Gay-Lussac, French chemist, physicist and balloonist, c1870. Gay-Lussac (1778-1850) investigated the behaviour of gases and developed techniques of chemical analysis. He was important in industrial chemistry for the introduction of lead chambers for the production of sulphuric acid. Gay-Lussac made balloon ascents to investigate terrestrial magnetism and composition and characteristics of the atmosphere at different altitudes. He determined that the same volume of any gas will expand equally in response to the same increase in temperature. From Les Merveilles de la Science by Louis Figuier. (Paris, 1870).//

hiphotos015287 Joseph Louis Gay-Lussac, French physicist and chemist, 19th century. Gay-Lussac (1778-1850) made balloon ascents to investigate terrestrial magnetism and composition and characteristics of the atmosphere at different altitudes. He determined that the same volume of any gas will expand equally in response to the same increase in temperature. Obverse of a commemorative medal.//

hiphotos015061 Experiment to calculate the speed of sound in air, Paris, 1822, (c1880). In 1822 the French appointed a commission to find the speed of sound in air. Two hills near Paris were chosen for the experiment, at Villejuif and Montlhery. On each hill a gun was discharged. Observers on the other hill, by noting the time of the flash and the time at which they heard the report, calculated the speed to be 1,118.152 feet (340.8m) per second. Gay-Lussac, Humboldt and Bouvard were at Montlhery. Arago, Mathieu and Prony were at Villejuif. From Science for All by Robert Brown. (London, c1880).//

hiphotos015067 Joseph Louis Gay-Lussac, French chemist and physicist, c1895. Gay-Lussac (1778-1850) investigated the behaviour of gases and developed techniques of chemical analysis. He was important in industrial chemistry for the introduction of lead chambers for the production of sulphuric acid. Gay-Lussac made balloon ascents to investigate terrestrial magnetism and composition and characteristics of the atmosphere at different altitudes. He determined that the same volume of any gas will expand equally in response to the same increase in temperature. From Der Stein der Weisen (The Philosophers' Stone). (Leipzig, c1895).//

hiphotos043976 Joseph Louis Gay-Lussac, 19th century French chemist and physicist, (1900). Gay-Lussac (1778-1850) made balloon ascents to investigate terrestrial magnetism and the composition and characteristics of the atmosphere at different altitudes. He determined that the same volume of any gas will expand equally in response to the same increase in temperature.//

hiphotos015062 Experiment to calculate the speed of sound in air, Paris, 1822 (1873). In 1822 the French appointed a commission to find the speed of sound in air. Two hills near Paris were chosen for the experiment, at Villejuif and Montlhery. On each hill a gun was discharged. Observers on the other hill, by noting the time of the flash and the time at which they heard the report, calculated the speed to be 1,118.152 feet (340.8m) per second. Gay-Lussac, Humboldt and Bouvard were at Montlhery. Arago, Mathieu and Prony were at Villejuif. From The Forces of Nature by Amedee Guillemin. (London, 1873).//

lpphotos003753 Cognac - - A burette with Joseph Louis GAY-LUSSAC: a French chemist and physicist. He is known mostly for two laws related to gases, and for his work on alcohol-water mixtures, which led to the degrees Gay-Lussac used to measure alcoholic//

lpphotos003759 COGNAC - - A burette with Joseph Louis GAY-LUSSAC: a French chemist and physicist. He is known mostly for two laws related to gases, and for his work on alcohol-water mixtures, which led to the degrees Gay-Lussac used to measure alcoholic//