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She was staring hard at the portrait and now beckoned him wildly to do the same. "Look at it! Look at it!" Surprised, he followed the direction of her shaking hand. "Sure, it's Professor Grid to the life!" he said admiringly. "Look at it! Look at it!" She seemed not to be able to find any other words. After a prolonged scrutiny he turned to her with a puzzled line between his eyebrows.
Calhoun removed the cover from the other. It contained small and horrible squirming organisms, writhing in what was probably a nutrient fluid to which they could reduce human refuse. They swarm jerkily in it so that the liquid seemed to seethe. It smelled. Like skunk. The grid operator clenched his hands. "Put it away!" he commanded fiercely. "Out of sight! Away!" Calhoun nodded.
Where a single tube is used as an oscillator and a second tube is employed as a modulator, a reactor, which is a coil of wire wound on an iron core, is used in the plate circuit to keep the high voltage direct current of the motor-generator the same at all times. Likewise the grid circuit reactor is used to keep the voltage of the grid at a constant value. Connecting up the Apparatus.
This done connect the negative, that is, the zinc pole of the B battery to the positive electrode of the A battery and connect the positive, or carbon pole of the former with one end of the grid leak and connect the other end of this to the plate of the amplifier tube. A Grid Leak Amplifying Receiving Set With Vacuum Tube Detector.
Why, she says Uncle Grid was just like his father." The words were not out of his mouth before the other's face of horror made him aware of his mistake. "No! No! Not that! Heavens, no! I mean ... made like him ... wanted to be that kind, 'specially drink ..." His tongue, unused to phrasing abstractions, stumbled and tripped in his haste to correct the other's impression.
"He mentioned something ridiculously small in the way of francs. "'One might at least see the place, says I. 'Can the key be got? "He bowed. The key was at the baker's, not a hundred yards away, he said.... "We got the key. It was the key of the inner wooden door that grid of rusty iron didn't need one it came clean off its single hinge when Carroll touched it.
Three buildings that were not Nissen huts were the shed type ablutions and, at the extreme eastern end, the latrines, one for the other ranks and one for the ATS. Overhead traversing the length of the fort were the high tension cables of the electricity grid system and on damp days touching the metal parts of vehicles parked beneath them would produce a mild shock.
But the stage came in soon after, and the driver declared that he had seen Grid Bingham, whom he knew, brought out dead, that John Craft was badly hurt, and one or two more, and that Bart, who escaped without injury, would be arrested for murder.
Three Electrode Vacuum Tube Detector. In this more recent type of vacuum tube the third electrode, or grid, as it is called, is placed between the wire filament and the metal plate and this allows the current to be increased or decreased at will to a very considerable extent.
The aerial series condenser, the blocking condenser, the grid condenser, the telegraph key, the chopper, the choke coil in the key circuit, the filament voltmeter and the protective condenser in the power circuit are identical with those described for the 5 watt transmitting set. The 50 Watt Vacuum Tube Oscillator.
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