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Updated: November 16, 2025
Referring again to fig. 26, this gas or governor cam may be set out, and the keyway marked on the same principle as already described for the air and exhaust valves. An end view of the three cams keyed up on the side shaft is given in fig. 40A. In small engines it is convenient to have the air and exhaust cams made in one casting, when one key only will be required.
The ore is taken down to the reduction works in waggons that run down by gravitation, and are drawn up by mules. It is then stamped to powder by iron beaters, each of which is lifted by cams, and let fall seventy times per minute.
Q. How is the degree of expansion changed? A. The change of expansion is effected by moving the roller on to the desired grade; which is done by slipping the lever carrying the roller endways on the shaft or pin sustaining it. Q. Are such cams applicable in all cases?
The beds were berths against the wall, much as in the Pullman cars of to-day. In the very "nose" of the Annihilator was the pilot house. Here were grouped together the wheels, levers, cams, gears, pistons and other apparatus that controlled the big projectile.
Persecutes the Manichaeans and the Christians. His Relations with Zenobia. He is threatened by Aurelian. His Death. Reign of Varahran II. His Tyrannical Conduct. His Conquest of Seistan, and War with India. His war with the Roman Emperors Cams and Diocletian. His Loss of Armenia. His Death. Short Reign of Varahran III.
In the gas-operated arms, a small hole is drilled in the under side of the barrel, six to eight inches from the muzzle, so that, when the bullet has passed this point, and during the time it takes it to traverse the remaining few inches to the muzzle, a certain portion of the enclosed gas is forced through this hole, where it is "trapped," in a small "gas-chamber" and its force directed against a piston or lever which, being connected with the necessary working parts of the gun by cams, links or ratchets, performs the functions of removing and ejecting the empty cartridge case, withdrawing a new cartridge from the belt, clip or magazine, and "cocking" the gun: that is, forcing the "hammer" or striker back and compressing its spring.
When I came to myself, I found my cheek all bloody: The old woman and my slaves took care to cover it with my veil, lest the people who cams about us should perceive; but they supposed it only a fainting-fit.
The mechanically operated valves were actuated by specially shaped cams, and were so arranged that only two cams were required for the set of eight valves. The inlet valves at both ends of the engine were connected by a single feed-pipe to which the carburettor was attached, the induction piping being arranged above the engine in an easily accessible position.
She is a quadruped!. Inside of her great golden boots, which represent one pair of feet, is another smaller pair, which move freely through these hollow casings. Four cams or eccentric wheels impart motion to her four supports, by which she is carried forward, always resting on two of them, the boot of one side, and the foot of the other.
By an adjustment, easily made in a few seconds, the delivery may be altered to suit different classes of cotton or kinds of work without the necessity of changing the cams or the notch-wheels. An improvement has been made in the construction of the nippers.
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