Jean-Pierre Blanchard Lunardi flew from Moorfields to Ware on 15 September 1784. Blanchard's propulsion mechanisms – flapping wings and a windmill – again proved ineffective, but the balloon flew some 115 km from the military academy in Chelsea, landing in Sunbury and then taking off again to end in Romsey. Blanchard took a second flight on 30 November 1784, taking off with an American, Dr John Jeffries, from the Rhedarium behind Green Street Mayfair, London to Ingress in Kent. A third flight, again with Jeffries, was the first flight over the English Channel, taking about 2½ hours to travel from England to
Berlin scientific balloon flights the Académie française a program for scientific aviation, that was eventually not realized. In Germany, it was Georg Christoph Lichtenberg, who first addressed the issue of research into the atmosphere in his writings on the use of balloons. The first balloon flight with the aim of making meteorological observations was undertaken on 30 November 1784 by the American medical doctor John Jeffries together with the professional balloonist Jean-Pierre Blanchard. Some of the first systematic investigations into the upper atmosphere was performed between 1862 and 1866 by the English meteorologist and important pioneer aerologist James Glaisher. On 28 balloon flights, he