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Updated: May 21, 2025
Between the clavicles another pulsatile swelling was easily felt but hardly seen, which was doubtless the arch of the aorta, as by putting the fingers on it one could feel a double shock, synchronous with distention and recoil of a vessel or opening and closing of the semilunar valves. Madden also mentions several analogous instances on record.
I had surprised Faruskiar at the very moment he was about to accomplish his crime, but it was Kinko who, at the peril of his life, with coolness and courage superhuman, had thrown on the coals, hung on to the lever of the safety valves, and stopped the train by blowing up the engine.
The speed variation of this engine was obtained by varying the extent and duration of the opening of the exhaust valves, and was controlled by the pilot by hand-operated levers acting on the valve tappet rollers.
The main blow-off pipe, where it penetrates the ship's side, is furnished with a cock: and in modern steam vessels Kingston's valves are also used, which consist of a spindle or plate valve, fitted to the exterior of the ship, so that if the internal pipe or cock breaks, the external valve will still be operative.
And that is precisely what we shall do; we shall force air into our air-chambers until the ship is on the point of sinking, and we shall then close the valves, stop the air-pump, and, opening the sea-cocks of the water-chambers, admit water enough into the ship to send her to the bottom like a stone." "Well! you astonish me, I freely admit," gasped the baronet.
The machine is intended to carry full load with only the first bank of five valves in operation, with proper steam pressure and vacuum.
The skin of the Nycteris Geoffroyi is very loose upon the body; and the animal draws air through openings in the cheek pouches, head, and back, and swells itself into a little balloon; the openings being closed at pleasure by means of valves. The bite of all is extremely sharp; and we seldom hear of an instance of one being tamed.
This physician likewise abundantly establishes what he has advanced respecting the motion of the blood, from the existence of certain pellicles, so disposed in various places along the course of the veins, in the manner of small valves, as not to permit the blood to pass from the middle of the body towards the extremities, but only to return from the extremities to the heart; and farther, from experience which shows that all the blood which is in the body may flow out of it in a very short time through a single artery that has been cut, even although this had been closely tied in the immediate neighborhood of the heart and cut between the heart and the ligature, so as to prevent the supposition that the blood flowing out of it could come from any other quarter than the heart.
If the craft was thrown from its balance in any way, the movement of this pendulum would cause two little valves to open. This would make the compression from the engine force a piston back and forth, which communicated with the warping levers and automatically accomplished what had up to that time, Bud went on to say, been done by the hand of the busy aviator.
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