poniedziałek, 19 sierpnia 2019
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EN_90095708_0003 SSP
PHOTO: EAST NEWS/SSPL Illustration of the balloon used by Jacques Charles and Nicolas Robert on the first manned (free flight) ascent of a hydrogen balloon. It was designed by French physics professor Charles (1746-1823), and constructed by Robert (1761-1828) and his brother Jean. It set off in front of a crowd of 400,000, landing two hours later at Nesles-la-Vallee, over 27 miles (43 km) away. Robert alighted here but Charles re-ascended in the balloon, reaching an altitude of over 9000 feet (2.7 km). From ?"Histoire des ballons et des aeronautes celebres: 1783-1800?? (History of balloons and famous aeronauts), by Gaston Tissandier (1843-1899), published in 1887.
EN_90095708_0002 SSP
PHOTO: EAST NEWS/SSPL Illustration of Charles and Noel Robert's first manned (free flight) ascent of a hydrogen balloon, designed by French physics professor Jacques Charles (1746-1823), and constructed by brothers Jean and Noel Robert. It set off in front of a crowd of 400,000, landing two hours later at Nesle-la-Vallee, over 27 miles (43 km) away. Robert alighted here but Charles re-ascended in the balloon, reaching an altitude of over 9000 feet (2.7 km). From ?"Histoire des ballons et des aeronautes celebres: 1783-1800?? (History of balloons and famous aeronauts), by Gaston Tissandier (1843-1899), published in 1887.
EN_90087939_0002 SSP
PHOTO: EAST NEWS/SSPL Coloured print showing Charles and Robert??s balloon ascent outside the Palace of the Tuilleries in Paris on 1 December 1783. Designed by Jacques Charles (1746-1823), a French professor of physics, and constructed by the brothers Jean and Noel Robert, this balloon carried Charles and Noel Robert on the first manned free flight of a hydrogen balloon. The balloon set off from the Tuilleries at 1.40pm in front of a crowd of 400,000, landing two hours later at Nesle-la-Vallee, between Nesle and Hedouville, over 27 miles (43 km) away. Robert alighted here, while Charles re-ascended in the balloon, reaching an altitude of over 9000 feet (2.7 km). The balloon carried a barometer and a thermometer on board to make measurements of the atmosphere at a height above the ground.
EN_90087885_0029 SSP
PHOTO: EAST NEWS/SSPL After hearing of the Montgolfier brothers?? success, Jacques Charles (1746-1823), a French professor of physics, joined forces with two local craftsmen, Jean and Noel Robert, to produce a superior balloon. The balloon they constructed (?"The Globe??) was just 12 feet in diameter. It was made of silk with an impermeable rubberised coating, intended to contain the lifting gas hydrogen. Upon its release, the balloon rose 3000 feet in the air before falling to the ground near Gonesse 15 miles (24 km) away. A small crowd gathered around, prevented from approaching the balloon by the smell of the escaping gas. A single shot was then fired at the balloon, whereupon all of the villagers, believing it to be the devil, attacked it with flails and pitchforks and tore it to shreds.
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EN_90087885_0015 SSP
PHOTO: EAST NEWS/SSPL Steel engraving. Designed by Jacques Charles (1746-1823), a French professor of physics, and constructed by the brothers Jean and Noel Robert, this balloon carried Charles and Noel Robert on the first manned free flight of a hydrogen balloon on 1 December 1783. The balloon ascended from the Tuilleries in Paris at 1.40pm in front of a crowd of 400,000, landing two hours later at Nesle-la-Vallee, 27 miles (43 km) away. Robert alighted here but Charles re-ascended in the balloon, reaching an altitude of over 9000 feet (2.7 km) before finally landing near Tour de Hay, 3 miles (4.8 km) from Nesle. The flight had been an overwhelming success and the next day, the balloon was loaded onto a cart and brought back to Paris in triumph.
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EN_00945779_3078 AP
Carl Friedrich Gauss, German mathematical genius who died 100 years ago, poses in an illustration in front of the observatory which he designed at Goettingen University in Goettingen, Germany on March 8, 1955. Gauss was head astronomer and professor of mathematics at the University. (AP Photo)
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