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Updated: June 17, 2025
Condensers for spark telegraph transmitters can be ordinary Leyden jars or glass plates coated with tin or copper foil and set into a frame, or they can be built up of mica and sheet metal embedded in an insulating composition. The glass plate condensers are the cheapest and will serve your purpose well, especially if they are immersed in oil.
Bud pointed to a small electronic chassis on the workbench, studded with a tangle of transistors, diodes, and condensers. "It's a density-control device," Tom explained. "A substitute for ballast tanks, you might say. It'll enable us to rise or sink to any depth at will, simply by varying our underwater density."
'Tis the expinse av retubin' her condensers that always frightened ould Webb, and whin he lost conthrol the blatherskite booby av a port ingineer the new owners app'inted come down to the ship, looked her over, wit' niver a question to me that knew the very sowl av her, and reported to the owners that what she needed was another b'iler."
If the condenser must be located above the turbine, then the pipe should be carried first downward and then upward in the U form, in the manner of the familiar "entrainer," which will be found effectively to prevent water getting back when the turbine is operating. Condensers
He assures me that if her condensers are retubed she'll burn from seven to ten tons of coal less per day." "Hum! So you're going to give him the job for telling you something our own port engineer would have told us after an examination." "No, sir, I'm going to give him the job because he has earned it.
When we were there the place relied for emergencies upon the more modern expedient of condensers, but for ordinary consumption was mainly dependent upon that brought in skins from the adjacent country on the backs of camels, which returned charged with merchandise. I watched one of these ships of the desert being laden for the homeward voyage.
"It should be hereabouts," whispered Sievers, and his fingers searched the wall. For a moment nothing could be heard but the deep breathing of the Saigon's company. Then came a slight but terrifying clang. "I've got it!" whispered Sievers. "Are you ready?" "Right!" Maclean's eyes were dazzled of a sudden with a hot flare of light, and the deafening thud of the condensers smote in his ears.
It was a very subdued, scarcely apparent sound, but it was there it was unmistakable. And suddenly though in those days we were only just becoming familiar with them I knew what it was the engine of some sort of automobile; but not in action; the sound came from the boilers or condensers, or whatever the things were called which they used in the steam-driven cars.
The two chief features as far as the parts are concerned of this long wave length receiving set are the variable condensers, and the tuning inductance coils. The variable condenser used in series with the aerial wire system has 26 plates and is equal to a capacitance of .0008 mfd. which is the normal aerial capacitance.
"Let's go down to the store after school to-morrow and pick out what we need. I want a couple of audion bulbs, and I suppose you fellows do, too. I want to price variable condensers like the one Doctor Dale brought us at Ocean Point last summer, too." "We've got to keep busy if we want to keep ahead of some of the other fellows in this town," said Joe.
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