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A. At the steam pipe, B. The throttle valve in that pipe is an elliptical plate of metal swivelling on a spindle passing through its edge from side to side, and by turning which more or less the opening through the pipe will be more or less closed.
This was the Vickers 'Gun-bus, a 'pusher' machine, with the propeller revolving behind the main planes between the outriggers carrying the tail, with a seat right in front for a gunner who was provided with a machine gun on a swivelling mount which had a free field of fire in every direction forward.
I should tell him the thing that was becoming more and more apparent in my own mind. Here, I should say, is a world, obviously on the face of it well organised. Compared with our world, it is like a well-oiled engine beside a scrap-heap. It has even got this confounded visual organ swivelling about in the most alert and lively fashion.
He had not gone far, however, before that change of mental condition was visible in the faces before him, which a troop of horses would have shown by a general forward swivelling of the ears. Wonderful to tell, they were actually listening. But in truth it was no wonder, for seldom in any, and assuredly never in that church, had there been heard such an exordium to a sermon.
The nearest to a solution of this problem, so far, consists in the mast carrying a swivelling cap; this has been tried in the British service with a non-rigid airship, which was attached to a mast in open country in a gale of 52 miles an hour without the slightest damage to the airship.
The two English ships were to leeward, each leading a line; and we had a brig, and three large, regular man-of-war schooners, to get past, with the certainty of meeting the Wolfe and Royal George, should we succeed in clearing these four craft. Both of us kept up a heavy fire, swivelling our guns round, so as not to neglect any one.
He kept his horses on a steady strain until the long rise was topped, and then climbed down from his seat and let them breathe, tightening this and feeling that about their tackle, until each horse was tricked into believing itself the object of especial interest; a belief of which Amaryllis saw the effect in three pairs of swivelling ears.
The suspended car was 84 feet long, carrying both engines and crew, and the Willows idea of swivelling propellers for governing the direction was used in this vessel. In June of that year a new, small-type dirigible, the 'Beta, was produced, driven by a 30 horse-power Green engine with which she flew over 3,000 miles.
He had not gone far, however, before that change of mental condition was visible in the faces before him, which a troop of horses would have shown by a general forward swivelling of the ears. Wonderful to tell, they were actually listening. But in truth it was no wonder, for seldom in any, and assuredly never in that church, had there been heard such an exordium to a sermon.
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