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I learned before I left the United States that Professor Wheatstone and Mr. Cooke, of London, had obtained letters patent in England for a 'Magnetic-Needle Telegraph, based, as the name implies, on the deflection of the magnetic needle. Their telegraph, at that time, required six conductors between the two points of intercommunication for a single instrument at each of the two termini.
We found that it acts through air or in a vacuum in a single straight line, without deflection, and seemingly without diminution. Most solids, and especially metals, according to their electric condition, are more or less impervious to it antapergic.
Whatever it was that gave this part of his coat its rigidity, I dismissed it from my mind with the thought that the Honourable John was a greater fop than either Syd or I supposed. Bareheaded he went to bid his cousin good-bye. We also shook the captain's hand, and expressed our regret, with John, at the misfortune which had befallen him because of the deflection of the compass.
This divergence from the forward direction was begun by the man posted on the extreme right; his comrade on the left followed his example, and the deflection was continued along the whole line.
I adjusted my coat controls for warmth and deflection, but that was the best I could do. The reek of stale decay remained. Then there were also the buildings, painfully almost vertical.
Both Miranda and Jane had taken cold and decided that they could not leave the house in such weather, and this deflection from the path of duty worried Miranda, since she was an officer of the society.
I did not consider it advisable to mention to him that they were probably waiting his order to fire, and also his orders for range and deflection, as I had imagined that, here as everywhere else, an officer controls the gun-fire.
Why, it seemed the ship was being surrounded by these wasps of the sea. A sharp whistle sounded in the turret. The officer in charge sprang to the tube. "Ready for deflection and range? Stand by!" was the order. "Aye, aye, sir!" responded the turret captain. Ammunition boxes appeared as though by magic and were broken open. Plugs were swung back and the gun bores were examined.
The one marked B is so connected to the galvanometer and a reverser as to show the deflection caused by the induced currents, which are momentary in duration, and in the galvanometer circuit all on the same side of zero, for as the battery current on making contact produces an induced current in the reverse direction to itself, but in the same direction on breaking the contact, of course the one would neutralize the other, and the galvanometer would not be affected; the galvanometer connections are therefore reversed with each reversal of the battery current, and by that means the induced currents are, as you perceive, all in the same direction and produce a steady deflection.
Only a day sufficed to reach Tong-quan, which is the central stronghold of the Hoang-ho basin, and one of the best defended points in China. Here, between precipitous cliffs, this giant stream rushes madly by, as if in protest against its sudden deflection.
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