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时间: 2019年12月15日 16:32

It's a parcel of stuff and nonsense! said the doctor, jerking his legs under the table. The next noteworthy balloon was one by Stephen Mongolfier, designed to take up passengers, and therefore of rather large dimensions, as these things went then. The capacity was 100,000 cubic feet, the depth being 85 feet, and the exterior was very gaily decorated. A short, cylindrical opening was made at the lower extremity, and under this a fire-pan was suspended, above the passenger car of the balloon. On October 15th, 1783, Pilatre de Rozier made the first balloon ascent鈥攂ut the balloon was held captive, and only allowed to rise to a height of 80 feet. But, a little later in 1783, Rozier secured the honour of making the first ascent in a free balloon, taking up with him the Marquis d鈥橝rlandes. It had been originally intended that two criminals, condemned to death, should risk their lives in the perilous venture, with the prospect of a free pardon if they made a safe descent, but d鈥橝rlandes got the royal consent to accompany Rozier, and the criminals lost their chance. Rozier and d鈥橝rlandes made a voyage lasting for twenty-five minutes, and, on landing, the balloon collapsed with such rapidity as323 almost to suffocate Rozier, who, however, was dragged out to safety by d鈥橝rlandes. This first aerostatic journey took place on November 21st, 1783. Flight of full-size Langley Aerodrome, piloted by Glenn H. Curtiss, 2nd June 1914, at Hammondsport, N.Y. What is architecture? It's the whole built environment. It's the outside of a building, the inside, the function; it serves social needs, physical needs. 鈥?And a building has an obligation to work well with the buildings around it 鈥?at least in the city. WESTSIDER GEORGE BALANCHINE Sophia. What shall we do to get rid of him? 日本高清视频免费v,日本一大免费高清,日本最新免费一区 I quite believe in your wife's disregard for the feelings of the tradespeople, answered Minnie drily. "But this is a question of her own feelings, you see. Come, Algernon, may I take the privilege of our old friendship, and speak to you quite frankly?" Ask Uncle Val for money again, Ancram? It is such a short time since he sent me some! The interviews for this book were conducted from May 1977 to December 1979. They appeared as cover stories for the __TV Shopper__, a free weekly paper that was distributed to homes and businesses in New York City. Founded by Bruce Logan in the mid-1970s as the __West Side TV Shopper__, it consisted of TV listings, advertisements, and two full-page stories per issue. One was a "friendly" restaurant review of an advertiser; the other was a profile of a prominent resident of the Upper West Side of Manhattan. The honoree's face appeared on the cover, framed by a TV screen. EASTSIDER RODNEY DANGERFIELD Borelli鈥檚 study is divided into a series of propositions in which he traces the principles of flight, and the mechanical actions of the wings of birds. The most interesting of these are the propositions in which he sets forth the method in which birds move their wings during flight and the manner in which the air offers resistance to the stroke of the wing. With regard to the first of these two points he says: 鈥榃hen birds in repose rest on the earth their wings are folded up close against their flanks, but when wishing to start on their flight they first bend their legs and leap into the air. Whereupon the joints of their wings are straightened out to form a straight line at right angles to the lateral surface of the breast, so that the two wings, outstretched, are placed, as it were, like the arms of a cross to the body of the bird. Next, since the wings with their feathers attached form almost a plane surface, they are raised slightly above the horizontal, and with a most quick impulse beat down in a direction almost perpendicular to the wing-plane, upon the underlying air; and to so intense a beat the air, notwithstanding it to be fluid,23 offers resistance, partly by reason of its natural inertia, which seeks to retain it at rest, and partly because the particles of the air, compressed by the swiftness of the stroke, resist this compression by their elasticity, just like the hard ground. Hence the whole mass of the bird rebounds, making a fresh leap through the air; whence it follows that flight is simply a motion composed of successive leaps accomplished through the air. And I remark that a wing can easily beat the air in a direction almost perpendicular to its plane surface, although only a single one of the corners of the humerus bone is attached to the scapula, the whole extent of its base remaining free and loose, while the greater transverse feathers are joined to the lateral skin of the thorax. Nevertheless the wing can easily revolve about its base like unto a fan. Nor are there lacking tendon ligaments which restrain the feathers and prevent them from opening farther, in the same fashion that sheets hold in the sails of ships. No less admirable is nature鈥檚 cunning in unfolding and folding the wings upwards, for she folds them not laterally, but by moving upwards edgewise the osseous parts wherein the roots of the feathers are inserted; for thus, without encountering the air鈥檚 resistance the upward motion of the wing surface is made as with a sword, hence they can be uplifted with but small force. But thereafter when the wings are twisted by being drawn transversely and by the resistance of the air, they are flattened as has been declared and will be made manifest hereafter.鈥?