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Updated: June 17, 2025
Stopping over in the west quarter of the field, he turned his big burning eyes on the two thus resigning themselves, and crouching, put himself in motion toward them; his mane all on end; his jaws agape, their white armature whiter of the crimson tongue lolling adrip below the lips. He had given up escape, and, his curiosity sated, was bent upon his prey.
The insulating strips in the commutator are sufficiently wide to demagnetize the whole of the machine before reversibility in the armature takes place, and this demagnetization sets up a direct induced current, which is caught in a shunt circuit by the aid of a second commutator, which only comes into action when the first commutator goes out.
The armature and the carbon-tipped poles of the electromagnet form part of the local circuit; and if the relay is actuated by a weak current the armature will be attracted but feebly. The carbon being only slightly compressed will offer considerable resistance to the flow of current from the local battery, and therefore the signal on the local sounder will be weak.
It was found necessary to push the armature along the spindle close to the commutator piece, C, and to shorten the spindle at the armature end and turn it down to the size of the original bearing, in order to bring the motor within the space between the wheels.
Not only do worms aid directly in the chemical disintegration of rocks, but there is good reason to believe that they likewise act in a direct and mechanical manner on the smaller particles. All the species which swallow earth are furnished with gizzards; and these are lined with so thick a chitinous membrane, that Perrier speaks of it, as "une veritable armature."
So Vitellius prepared to make war with Aretas, having with him two legions of armed men; he also took with him all those of light armature, and of the horsemen which belonged to them, and were drawn out of those kingdoms which were under the Romans, and made haste for Petra, and came to Ptolemais.
He chose the drum form for his armature, and experimented with different kinds of iron. Cores were made of cast iron, others of forged iron; and still others of sheets of iron of various thicknesses separated from each other by paper or paint. These cores were then allowed to run in an excited field, and after a given time their temperature was measured and noted.
One of the means for accomplishing such multiplication was the Siemens armature of 1856. Another step of importance was that involved in the Pacinotti ring, known in its practical application as the machine of Gramme. A third step, that of the self exciting principle, was first communicated by Dr.
We have not entered into specific descriptions of the many other forms of dynamo machines invented by Edison, such as the multipolar, the disk dynamo, and the armature with two windings, for sub-station distribution; indeed, it is not possible within our limited space to present even a brief digest of Edison's great and comprehensive work on the dynamo-electric machine, as embodied in his extensive experiments and in over one hundred patents granted to him.
Holroyd heard a click, and the spin of the armature changed. "What are you dewin' with that switch?" he bawled in surprise. "Han't I told you " Then he saw the set expression of Azuma-zi's eyes as the Asiatic came out of the shadow towards him. In another moment the two men were grappling fiercely in front of the great dynamo.
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