Magic eye tubes, Dekatron spinner, Klystron tube

6U5 Magic Eye tuning indicator The 6U5 is an American Magic Eye tuning indicator and its construction follows the normal pattern. The electrode assembly is mounted centrally in the envelope

EM84 tuning indicator The EM84 tuning indicator, or magic eye, was used to display the optimum tuning point of a receiver, or the recording level of a tape recorder

Magic Eye

Magic eye

Magic eye tubes How magic eye tubes work

Magic eye tubes How magic eye tubes work, Tuning Eye Tubes in 1930's Radio

Magic eye tubes

Magic eye tubes Electron-ray Tuning Indicator Tube

Magic eye tubes Magic eye tubes in action, EZ-6E5, 12Z-E8, 6Z-E1, 12Z-E9, EZ-6E5D, 6CD7, 6R-E13

Magic eye tubes Officially dubbed as the “electron-ray indicator” it was invented in 1930, ..., pdf file

Magic eye tubes Magic eye tubes, Tuning indicators

Magic Eye Tubes and Tuning Indicators eye tubes such as 6E5 and 6U5

Peak Reading Level Meter Using Indicator Tubes The "magic eye," so characteristic in old time radios, has virtually disappeared, despite the renaissance of other tube equipment, ...

RCA's Magic Eye

Tuning eye tubes the eye tube gives a visual indication of when the receiver is properly tuned to the signal being received, Educypedia

Tuning eye tubes-basic construction of tuning eye tubes tuning eye tubes

Horizontaal

Special Tubes

Decatron Clock Project

Dekatrons Dekatron Spinner

Decatron Circuits

Dekatron counters The Dekatron counter is used for counting pulses and displaying the total. Suitable pulses may be produced from the closure of contacts, interruption of a light beam, a tachometer generator, or from a Geiger-Muller type of tube, pdf file

Dekatron Counter Tube

Dekatron Spinner The simple circuit will make a GC10B or GC12/4B dekatron light up and spin round when connected to the mains supply, pdf file

Dekatron Spinner Dekatron Spinner

Dekatron Spinner 1

Dekatron Spinner

Dekatron Spinner Dekatron Spinner, Double-pulse dekatron counters, pdf file

Dekatron Spinner Dekatrons are basically the predecessor of the 4017 decade counter. Dekatrons are filled with neon gas and has 30 cathodes and guides between each cathode that are all arranged in a circle

Dekatron Spinner A Dekatron spinner displays a spinning dot by using a vintage 'Dekatron' style glow-transfer counting tube. The colour of the dot depends to the gas the tube is filled. Neon filled tubes display a red-orange dot. Argon filled tubes display a purple dot

Dekatron Spinner circuit Dekatron Spinner circuit, Dekatron Spinner schematic, pdf file

Display and counting tubes

Klystron tube How a Klystron tube work

Photomultiplier tube

Photomultiplier tubes Using Photomultipliers in Two-Wire Probe Configurations

Photomultiplier tubes Photomultiplier tubes, pdf file

Vacuum Diodes

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