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Updated: June 1, 2025
"I think she's bearing about seventeen degrees to port of us, and about one-twenty-eight on the down-plane of the ecliptic." "O.K., Roger," said Tom. "Captain Strong's trying to reach Commander Walters now." He made a quick mental calculation. "Golly, Roger if you've figured it right, we're closer to the Lady Venus than anyone else!" The teleceiver audio crackled.
This alert is to be transmitted to all local authorities." Tom snapped the switch off and silently watched the glowing audio tubes darken. He turned to one side and saw Astro. The big Venusian was seated on a desk, slumped over, his head held in his massive hands. "You know," said Astro slowly, "I could take that guy Manning and break him in two for running out!" Tom didn't answer.
To use the amplified radio frequency oscillating currents or amplified audio frequency alternating currents that are set up by an amplifier tube either a high resistance, called a grid leak, or an amplifying transformer, with or without an iron core, must be connected with the plate circuit of the first amplifier tube and the grid circuit of the next amplifier tube or detector tube, or with the wire point of a crystal detector.
Now connect one end of the tickler coil with the detector plate and the other post to the fixed .001 mfd. condenser, then the other end of this to the positive or carbon pole of the B battery. Finally, shunt the head phones and the .001 mfd. fixed condenser and you are ready to try out conclusions. A Regenerative Audio Frequency Amplifier Receiving Set.
When Tom reached a point five hundred feet away from the ship, Strong flipped open the audio circuit and issued his first order. "Range five hundred feet," he called. "Cut jets!" "You're already here, spaceboy!" yelled Roger into the mike, leaning over Strong's shoulder. The captain silenced him with a glare. No one could speak to the examinee but the testing officer.
It went out at a frequency of about 1,000 kilocycles, had an amperage of approximately zero, but a voltage of two billion. The "pullee" came in at about a half-billion volts, but in very heavy amperage, proportional to the capacity of the receiver, and on a long wave at audio frequency in fact. About half of this power reception ultimately actuated the repeller ray generators.
A man couldn't be too clever, they were clever, so he had to be clever. He began to shave. The Captain was on an audio circuit, talking to an Assistant Commissioner. Some guy gonna quit his job ... or kill his boss. Maybe he found out his wife is cheating on him. We can't tell until we pick him up Yes, Sir Yes, Sir Thank you, Sir." The Captain hung up. "I hate politicians," he snarled.
"What would you do," Roger would ask an applicant, "if you were suddenly drifting in space, in danger, and found that you had lost the vacuum in your audio tubes? How would you get help?" Not one in over three hundred had realized that space itself was a perfect vacuum and could be substituted for the tubes. Roger had turned thumbs down on all of them.
Now, trying to recall simple arithmetic and other elementary studies, the cadets and Marshall worked eighteen hours a day. Speaking directly into soundscribers and filling what seemed to be miles of audio tape, the four spacemen attempted to build a comprehensive library of a hundred carefully selected subjects for the children of Roald.
Where the destruction of the first unit could have been called an accident, here was tangible evidence of a deliberate attempt to stop the whole project. The Space Marine, accompanied by Firehouse Tim Rush, returned five minutes later with the audio recorder and set it up for operation.
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