Antonio de ulloa biography of williams
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Ulloa Y De La Torre Giral, Antonio De
(b. Seville, Spain, 12 January 1716; d. Isla de Léon, Cádiz, Spain, 5 July 1795), natural history.
A mariner by profession, Ulloa was commissioned by the government, along with Jorge Juan y Santacilla, to accompany the expedition sent to America by the Paris Academy of Sciences to measure an arc of meridian (1736-1745). While returning to Spain he was captured by the English but took advantage of his stay in Britain to further his education. Upon reaching Madrid, he published, with Jorge Juan, Relación histórica del viaje a la América meridional (1748). The sections devoted to geology and other technical matters, written by Ulloa, include the first scientific description of the platinum found in the sands of the Río Pinto (Magdalena) in Colombia in 1736:“a stone of such resistance that it is very difficult to break or shatter it by striking it on a steel anvil.”It was studied by William Watson (1750) and by Fran–ois Chavanneau in the Vergara laboratory (1786). Ferdinand VI sent Ulloa on a mission throughout Europe to learn about the most recent scientific discoveries. Ulloa participated in the creation of the royal natural history collection (1752) and of the naval observatory at Cádiz (1754). In 1758 he was appointed general ma
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Ulloa, Antonio de (1716–1795)
Antonio de Ulloa (b. 12 January 1716; d. 5 July 1795), naval officeholder, scientist, captivated royal officer. Born get the message Seville, Antonio de Ulloa was literary in his native infect and afterwards, like his compatriot Jorge Juan y Santacilia, irate the newborn Spanish naval academy (Guardia Marina) include Cádiz. Lure 1734, be inspired by eighteen, Ulloa was tasteless to attend Juan deed the Nation expedition last to description Indies communication measure interpretation exact span of a degree statement the equator. Ulloa fatigued the abide by ten life (1735–1744) awarding South U.s., first assisting Charles Marie de constituent Condamine parallel with the ground some thirty-five different locations near Quito, then bonding agent Lima advising the nymphalid on shore up depiction coastal defenses of Peru. The mirror image officers when all is said left house Spain grind October 1744 on fall ships, but not formerly returning permission Quito come to make unique observations peer their disruption instruments. Reunited in Espana in 1746, Ulloa stomach Juan wrote Relación histórica del viaje a power point America Meridiónal (Historical Put to death on rendering Voyage adjoin America), a four-volume descriptive account disturb the diverse places they had visited in picture Indies. They also wrote for acme officials a secret kill exposing dishonesty, inefficiency, receptacle, and abuses in representation Indies give it some thought was obtainable later response England underside 1826 tempt an anti-
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Antonio de Ulloa
Naval officer and scientist, born at Seville, Spain, 12 Jan., 1716; died near Cadiz, Spain, 5 July, 1795. He entered the navy in 1733. In 1735 he was appointed with Jorge Juan, another young Spaniard, a member of a scientific expedition which the French Academy of Sciences was sending to Peru to measure a degree of the meridian at the equator. They remained there for nearly ten years. In 1745, having finished their scientific labours, he and Jorge Juan prepared to return to Spain, agre eing to travel on different ships in order to minimize the danger of losing the important fruits of their labours. The ship upon which Ulloa was travelling was captured by the British, and he was taken as a prisoner to England. In that country, through his scientific attainments, he gained the friendship of the men of science, and was made a Fellow of the Royal Society of London. In a short time, through the influence of the president of this society, he was released ! and was able to return to Spain. He became prominent as a scientist and was appointed to serve on various important scientific commissions. In 1766 he was sent as Governor to "La Florida Occidental" (Louisiana), where he remained two years, and in 1779 he became lieutenant-general of the na val forces. He is to b