时间: 2019年12月09日 07:25

We find the temperature so comfortable here! said Violet. "Dear Castalia always has her rooms deliciously warm, we think." No one responded. Violet McDougall fidgeted nervously on her chair and cast an appealing look at her sister. She would have tried to lead Mrs. Errington to talk of something else had she dared, but in Rose's presence Violet never ventured to take the initiative; and, besides, she was afraid of doing more harm than good, Mrs. Errington not being one of those persons who take a hint easily. The silence of her three listeners was no check to the worthy lady's eloquence. She continued to descant on Rhoda's attractions, and graces, and good manners; she dropped hints of the excellent opportunities Rhoda now had of "settling in life," only that she was a little fastidious from long association with such refined persons as the Erringtons, and had turned the cold shoulder to several well-to-do wooers in her own rank of life; she related anecdotes of Rhoda's early devotion to herself and her son, until Violet McDougall muttered under her breath, in a paroxysm of nervous impatience, "One would think the woman was doing it on purpose!" Thy Charms thou always do'st oppose The parachute was developed considerably during the War period, the main requirement, that of certainty in opening, being considerably developed. Considered a necessary accessory for kite balloons, the parachute was also partially adopted for use with aeroplanes in the later War period, when it was contended that if a machine were shot down in flames, its occupants would be given a far better chance of escape if they had parachutes. Various trials were made to demonstrate the extreme efficiency of the parachute in modern form, one of them being a descent from the upper ways of the Tower Bridge to the waters of the Thames, in which short distance the 鈥楪uardian Angel鈥?type of parachute opened and cushioned the descent for its user. A study of the development of the helicopter principle was published in France in 1868, when the great French engineer Paucton produced his Th茅orie de la Vis d鈥橝rchim茅de. For some inexplicable reason, Paucton was not satisfied with the term 鈥榟elicopter,鈥?but preferred to call it a 鈥榩t茅rophore,鈥?a name which, so far as can be ascertained, has not been adopted by any other writer or investigator. Paucton stated that, since a man is capable of sufficient force to overcome the weight of his own body, it is only necessary to give him a machine which acts on the air 鈥榳ith all the force of which it is capable and at its utmost speed,鈥?and he will then be able to lift himself in the air, just as by the exertion of all his strength he is able to lift himself in water. 鈥業t would seem,鈥?says Paucton, 鈥榯hat in the pt茅rophore, attached vertically to a carriage, the whole built lightly and carefully assembled, he has found something that will give him this result in all perfection. In construction, one would be careful that the machine40 produced the least friction possible, and naturally it ought to produce little, as it would not be at all complicated. The new D?dalus, sitting comfortably in his carriage, would by means of a crank give to the pt茅rophore a suitable circular (or revolving) speed. This single pt茅rophore would lift him vertically, but in order to move horizontally he should be supplied with a tail in the shape of another pt茅rophore. When he wished to stop for a little time, valves fixed firmly across the end of the space between the blades would automatically close the openings through which the air flows, and change the pt茅rophore into an unbroken surface which would resist the flow of air and retard the fall of the machine to a considerable degree.鈥? Breathe Thou abroad like morning air, 亚洲色情网_影音先锋网站你懂的_五月爱婷婷六月丁香色 As soon as she was sufficiently improved for the move to be practicable, she was taken to Amritsar,鈥攂eing lifted into her duli, which travelled by train, so that she was spared any further changes. At Amritsar she was within easy reach of her Doctor; also she could be better nursed and cared for there than in such an out-of-the-way place as Batala, where personal comforts were few. Letters early in 1886 naturally contain a good deal about her illness. 鈥楴ov. 6, 1861. Le Bris made his first experiment on a main road near Douarnenez, at Trefeuntec. From his observation of the albatross Le Bris concluded that it was necessary to get some initial velocity in order to make the machine rise; consequently on a Sunday morning, with a breeze79 of about 12 miles an hour blowing down the road, he had his albatross placed on a cart and set off, with a peasant driver, against the wind. At the outset the machine was fastened to the cart by a rope running through the rails on which the machine rested, and secured by a slip knot on Le Bris鈥檚 own wrist, so that only a jerk on his part was necessary to loosen the rope and set the machine free. On each side walked an assistant holding the wings, and when a turn of the road brought the machine full into the wind these men were instructed to let go, while the driver increased the pace from a walk to a trot. Le Bris, by pressure on the levers of the machine, raised the front edges of his wings slightly; they took the wind almost instantly to such an extent that the horse, relieved of a great part of the weight he had been drawing, turned his trot into a gallop. Le Bris gave the jerk of the rope that should have unfastened the slip knot, but a concealed nail on the cart caught the rope, so that it failed to run. The lift of the machine was such, however, that it relieved the horse of very nearly the weight of the cart and driver, as well as that of Le Bris and his machine, and in the end the rails of the cart gave way. Le Bris rose in the air, the machine maintaining perfect balance and rising to a height of nearly 300 ft., the total length of the glide being upwards of an eighth of a mile. But at the last moment the rope which had originally fastened the machine to the cart got wound round the driver鈥檚 body, so that this unfortunate dangled in the air under Le Bris and probably assisted in maintaining the balance of the artificial albatross. Le Bris, congratulating himself on his success, was prepared to enjoy just as long a time in the air as the pressure of the wind would80 permit, but the howls of the unfortunate driver at the end of the rope beneath him dispelled his dreams; by working his levers he altered the angle of the front wing edges so skilfully as to make a very successful landing indeed for the driver, who, entirely uninjured, disentangled himself from the rope as soon as he touched the ground, and ran off to retrieve his horse and cart. It was not difficult to understand why the officers as a body rather neglected their duties. They were too fully occupied in maintaining the credit of the regiment according to their own interpretation of the phrase. This meant that it should be renowned鈥攏ot for marching and man?uvres, for demeanour, discipline, and drill鈥攂ut for its ostentation and display, for the grand[81] balls and entertainments it gave, for its mess perfectly appointed, its artistic chefs, its exquisite wines. It was for the credit of the regiment that it should keep up a regimental drag, a cricket and lawn tennis club, and give weekly afternoon teas; that during the season six or seven at least of the Duke鈥檚 Own should turn out in scarlet to hunt with the nearest hounds, that some one amongst their number should take a shooting or a river, which the regimental sportsmen might honour in turn; that half the regiment at least should rush up to town from Friday to Monday every week, and enjoy themselves in loafing about the park and the Burlington Arcade, or idling away the hours at the club, and devoutly wishing they were back at their own regimental mess. �