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时间: 2019年12月16日 16:57

Trial Flight of the Tarrant Triplane at Farnborough. Meusnier, experimenting in various ways, experimented with regard to the resistance offered by various shapes to the air, and found that an elliptical shape was best; he proposed to make the car boat-shaped, in order further to decrease the resistance, and he advocated an entirely rigid connection between the car and the body of the balloon, as indispensable to a dirigible.12 He suggested using three propellers, which were to be driven by hand by means of pulleys, and calculated that a crew of eighty would be required to furnish sufficient motive power. Horizontal fins were to be used to assure stability, and Meusnier thoroughly334 investigated the pressures exerted by gases, in order to ascertain the stresses to which the envelope would be subjected. More important still, he went into detail with regard to the use of air bags, in order to retain the shape of the balloon under varying pressures of gas due to expansion and consequent losses; he proposed two separate envelopes, the inner one containing gas, and the space between it and the outer one being filled with air. Further, by compressing the air inside the air bag, the rate of ascent or descent could be regulated. Lebaudy, acting on this principle, found it possible to pump air at the rate of 35 cubic feet per second, thus making good loss of ballast which had to be thrown overboard. Although the plan of living with Mr. and Mrs. St. George Tucker was at no time regarded as a permanent arrangement for the remainder of Charlotte Tucker鈥檚 life, yet it actually lasted six years. For about eight months from September 1869 they all remained at Wickhill. In 1870 they removed to Windlesham, in Surrey; and in the following year, 1871, they again moved to 鈥榃oodlands,鈥?at Binfield in Berkshire, nine miles or so from Reading, and only about two and a half miles from Mr. and Mrs. Hamilton鈥檚 home, Firlands, near Bracknell. Charlotte had, therefore, from that time not only the interest of her[154] little nephew and two little nieces in the house, but also of her sister Laura鈥檚 children within three miles. The companionship of a very favourite brother and of his affectionate wife, together with these little ones, work among the poor, writing, and many other occupations, made her life still a busy and a bright one. The interest of these experiments is enhanced by the fact that Le Bris was a seafaring man who conducted them from love of the science which had fired his imagination, and in so doing exhausted his own small means. It was in 1855 that he made these initial attempts, and twelve years passed before his persistence was rewarded by a public subscription made at Brest for the purpose of enabling him to continue his experiments. He built a second albatross, and on the advice of his friends ballasted it for flight instead of travelling in it himself. It was not so successful as the first, probably owing to the lack of human control while in flight; on one of the trials a height of 150 ft. was attained, the glider being secured by a thin rope and held so as to face into the wind. A glide of nearly an eighth of a mile was made with the rope hanging slack, and, at the end of this distance, a rise in the ground modified the force of the wind, whereupon the machine settled down without damage. A further trial in a gusty wind resulted in the complete destruction of this second machine; Le Bris had no more funds, no further subscriptions were likely to materialise, and so the experiments of this first exponent of the art of gliding (save for Besnier and his kind) came to an end. They82 constituted a notable achievement, and undoubtedly Le Bris deserves a better place than has been accorded him in the ranks of the early experimenters. I think I stand a good chance of getting the head-mastership of Dorrington Proprietary School. Dorrington is in the next county, you know. 鈥楴ov. 7.鈥擨 am so much stronger after my visit to Peshawar,鈥攓uite a different being. It must be a comfort to Babu Singha, who thought me ageing with wonderful rapidity. But at Peshawar I took a backward spring. I was more than six hours to-day on an expedition to the village of Urduhi, going in my duli; and I was very little tired,鈥攓uite ready for Henry VIII. and his six wives in the afternoon, and for Agamemnon and Achilles in the evening. It is amusing to go back to the old stories one read in one鈥檚 childhood.鈥? caoporn|超碰在线视频 This report was not calculated to make those tradesmen who had not been paid more patient and forbearing. If Mrs. Algernon Errington could find money for one she could for another, they argued, and a shower of bills descended on Ivy Lodge within the next week or two. Algernon said they came like a swarm of locusts, and threatened to devour all before them. He acknowledged to himself that the payment of Ravell's bill had been a fatal precedent. "And, perhaps," he thought, "there was no need for getting rid of the notes after all! However, the thing is done and can't be undone." There a soft grassy Cloth of State is spread; 鈥楢ug. 31.鈥擨 go, you know, to city work in the morning. After our late breakfast I have a succession of people coming. For instance, to-day,鈥?st, Munshi and four boys. 2nd, A convert came, to read the Bible to me. 3rd, A teacher came, for me to explain difficult English idioms. 4th, Three lads for English lessons. 5th, A fourth lad more advanced. You see, love, that this is not a sleepy life, though in this warm weather I usually get some sleep in the daytime. I like having the dear boys. They have done much to keep the heart green under various Missionary discouragements.鈥? In short, They broke open the Gates, and while some went to force the House-Doors, others proceeded to the Barn for Straw to throw into the Cribs, and there they beheld the most amazing Sight imaginable; the Good Man and his Wife both murder'd on the Floor, and two Forks broken! Hereupon, they went towards the House, and passing cross the Yard, they saw the Child's Swath dropt, and when they came into the House, found the Babe in the Cradle, with its Neck wrung behind it. They proceeded then to search the House; The Goods all remain'd; but the Money, and divers Silver Things, as Spoons, Porringers, Cups, and the like, were gone. Oh, fiddle-faddle, my lord! Why this, and how that! How do we know what truth there is in the whole story?