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He then read the temperature and pressure of the stranger's air-supply, and allowed the surplus air to escape slowly before removing the stranger's suit and revealing one of the Fenachrone eyes closed, unconscious or dead. DuQuesne leaped for the educator and handed Loring a headset. "Put this on quick. He may be only unconscious, and we might not be able to get a thing from him if he were awake."
It spoiled some of James Holden's hopes; he sought the way to mass-use, his plan was to employ a teacher to digest the information and then via the Educator, impress the information upon many other brains each coupled to the machine. This would not work. He made an extra headset late in June and they tried it, sitting side-by-side and still it did not work.
Now the wire used for winding good receivers is usually No. 40, and this has a diameter of .0031 inch; consequently, when you know the ohmic resistance you get an idea of the number of turns of wire and from this you gather in a general way what the sensitivity of the receiver is. Each phone of a headset should be wound to the same resistance, and these are connected in series as shown.
Seaton opened the meeting by handing each man a headset and running a reel showing the plans of the Fenachrone; not only as he had secured them from the captain of the marauding vessel, but also everything the First of Psychology had deduced from his own study of that inhuman brain. He then removed the reel and gave them the tentative plans of battle.
I asked. Joyce shook his head. "Nothing, Captain. I've checked the whole spectrum, and this is all I get. It's coming in on about a dozen different frequencies; no FM." "Any progress, Mannion?" I said. He took off his headset. "It's the same thing, repeated over and over, just a short phrase. I'd have better luck if they'd vary it a little." "Try sending," I said.
"Right waist gunner to pilot, sir. 190's at eleven o'clock. They're after the flight ahead." "Rear gunner Roger, sir. Flock of Focke-Wulfs at six o'clock. Coming in on our tail." "I say, old man, don't get itchy fingers. No ammo to waste." Allison's voice was calm and unruffled. O'Malley's voice broke in over Stan's headset. "Hey, sure an' we ought to go down an' bust that up."
He turned on his heel and left, heading for the cellar. In the workshop he found Professor White and Jack Cowling presiding over the machine. In the chair with the headset on sat the crowning insult of all: Paul Brennan leafing through a heavy sheaf of papers, reading and intoning the words of political oratory.
There was also a headset, and something very much like a large aluminum fish on the end of the line. "You know Geiger counters?" called the pilot. "Stick on these headphones and listen!" Joe slipped on the headset. The pilot threw a switch and Joe heard clickings. They had no pattern and no fixed frequency.
Half a dozen Terrans, of both sexes, were working furiously to get the markers which replaced the pink and white pills placed on the board, and one of Captain Inez Malavez' non-coms, with a headset, was getting combat reports directly from the switchboard. Everything was clicking like well-oiled machinery.
Connel's voice thundered through their headset phones. "Boy, is he blasting his jets!" commented Roger. "Yeah," grunted Astro. "He should have to dig this blasted hole!" "Well, this is where it's got to go. If the ground is hard, then it's our tough luck," said Roger. "If we stick it anywhere else, it might mess up the whole operation." Astro nodded and continued to dig.
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