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Updated: May 11, 2025
A. It is very doubtful whether the steam trunnions of a high pressure oscillating engine will continue long tight if the packing consists of hemp; and it appears preferable to introduce a brass ring, to embrace the pipe, cut spirally, with an overlap piece to cover the cut, and packed behind with hemp. Q. How is the packing of the trunnions usually effected?
Q. What species of paddle engine do you consider to be the best? A. The oscillating engine. Q. Will you explain the grounds of that preference? A. The engine occupies little space, consists of few parts, is easily accessible for repairs, and may be both light and strong at the same time.
Then the passengers in the "Hirondelle" ended by falling asleep, some with open mouths, others with lowered chins, leaning against their neighbour's shoulder, or with their arm passed through the strap, oscillating regularly with the jolting of the carriage; and the reflection of the lantern swinging without, on the crupper of the wheeler; penetrating into the interior through the chocolate calico curtains, threw sanguineous shadows over all these motionless people.
This was accompanied by the flourish of a brightly coloured pocket-handkerchief, whose vivid hue approximated closely to the general tint of his cheeks and eagle-like beak, and which he held loosely, ready for action, in his disengaged left hand; for, his right was ever at work oscillating between the magazine of snuff in his deep waistcoat pocket and the nasal promontory that consumed it with almost rhythmical regularity, sniff and snort and resonant trumpet blast of satisfaction succeeding each other in systematic sequence, as the veteran came down the stairway leisurely, step by step.
But when the three electrode tube is used as a detector the oscillations set up in the circuits change the grid alternately from negative to positive as shown at C and hence the voltage of the B battery current that is allowed to flow through the detector from the plate to the filament rises and falls in unison with the voltage of the oscillating currents.
Yet so impassively, so stolidly statuesque, did this figure stand beside the gas-pipe that to all intents he might have been cemented to the pavement with his own glue. He seldom moved, once his frame had been set up and his wares laid out. When he did move it was only to re-awaken the equally plethoric motion of his slowly oscillating links of cemented glass and chinaware.
The same results were obtained from rails laid all around the northeast curve, and even after they had acquired a due west to east course; showing that each rail acquired the same magnetic polarity which would be exhibited by any magnetic needle oscillating freely in our northern hemisphere, dipping also at its north end considerably downward if suspended at its center of gravity.
The water roared in his ears like the voice of Niagara, yet he heard the dull thunder of the volley and, rising again toward the surface, met shining bits of metal, singularly flattened, oscillating slowly downward. Some of them touched him on the face and hands, then fell away, continuing their descent. One lodged between his collar and neck; it was uncomfortably warm and he snatched it out.
The pole of cold, oscillating diversely with the force of the lateral pressure from Yakutsk to the Lena estuary, is the meteorological centre round which the atmosphere revolves. Here are to a large extent prepared the elements of the climate of West Europe. Travellers speak of the Siberian winters with mingled feelings of terror and rapture.
The rain in large drops fell upon the broad leaves with a soft, plashing sound; and now and then a quick, short puff came snorting along, and, seizing the feathery frondage of the palms, shook them with a spiteful and ruffian energy. The long green stripes, after oscillating a moment, would settle down again in graceful and motionless curves.
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