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In the first way the secondary terminals of the modulator are shunted around the grid leak in the grid circuit as at A, and in the second the secondary terminals are connected in the aerial as at B. Where an induction coil or a microphone transformer is used they are shunted around a condenser, but this is not necessary with the magnetic modulator.
And as the two men raced toward the stern, the freighter, her powerful rockets wide open, arrowed straight toward the gleaming white structure of the space station. "It was easy, honey," cooed Roger into the microphone on the main control panel of the space-station radar bridge.
"We will land, Mr. Correy," I said grimly. "Near the two ships, please." "Very well, sir," nodded Correy, and spoke briefly into the microphone. "I might warn you, sir," said Dival quietly, "to govern your activities, once outside: free from the gravity pads of the ship, on a body of such small size, an ordinary step will probably cause a leap of considerable distance." "Thank you, Mr. Dival.
"All clear forward and overhead," replied Roger. Tom placed his hand on the master switch that would throw the combined circuits, instruments and gauges into the single act of blasting the mighty ship into space. His eyes glued to the sweeping hand, he counted past the twelve-second mark eleven ten nine "Stand by to raise ship," he bawled into the microphone. "Minus five four three two one zero!"
Experiments conducted at Harvard, U.S.A., by Professor Trowbridge have proved beyond a doubt that, by means of such delicate apparatus as the telephone and microphone, it is possible for the observer to state in which direction, from a given point, the best line of conductivity runs.
The gate reported by phone when Mac and Pancho went through, then there was a long wait. Tom Preston, John Gordon, and Rick had an early breakfast in the security chief's office. Just as they finished breakfast, the communications outfit on Preston's desk buzzed. "Playboy One to Playboy Base. Come in." Preston thumbed his microphone. "This is Playboy Base. Go ahead." "Deadrock here, Tom.
According to Sammy Smith's observations there were two vessels coming up to starboard, while the third, the one the Dewey had missed, was dim in the port microphone and almost out of range. Engines shut off, the submarine lay entirely concealed, awaiting the coming of her prey.
"A scouting party. They sneaked in behind me. Thought I was alone, I guess, but when I hollered for help Dad came in from the power house on the run and the pair of us put them down for the count. We've got them tied up here now. The microphone cord was snapped but I was able to make repairs. So I started calling for you right away." "Jack, this is Mr. Temple," cut in the older man at this point.
How Hamilton was to march from Heilbron; how Broadwood was to move from Ventersburg, the entire plan of campaign for the next few weeks! A mass of information to gladden the heart of our steadfast chief. "Hurrah!" we whispered to each other, as I carefully put the precious message in a safe place. Then some harsh, grating sounds were heard in the microphone.
Lawrence lifted up the plain black box and with it he pulled up the wires which I had so carefully concealed in the cracks of the floor. "That," said Kennedy, "is a little instrument called the microphone. Its chief merit lies in the fact that it will magnify a sound sixteen hundred times, and carry it to any given point where you wish to place the receiver.
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