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**14 risultati per thermionic in video**

Detailed animated diagram of thermionic energy conversion showing thermal excitation of electrons crossing a vacuum gap to a collector to generate high current electrical power

00:59

HD

A vacuum tube powering down in the dark. The scene starts with the tube glowing, then the tube slowly powers down as it gets cooler. Shallow depth of field, second tube in back out of focus.

00:20

HD

dusty inside of old radio

00:17

HD

Triode RF Magnetron Sputtering System with Thermionic Cathode Grid and Atomic Vapor Flux

00:05

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Thermionic valves inside old radio

00:07

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nixie tube indicator

00:13

HD

Closeup of a glowing vacuum tube with intricate internal components.

00:08

HD

Electric arc between two wires - part of automatic portable photovoltaic solar panel - close up view. Electricity, experiment, education, science, futuristic and physics concept

00:15

HD

Glass vacuum tubes operate inside a homemade electronic audio amplifier. Internal filaments glow bright orange. The metal chassis contains visible wiring and a large power transformer.

00:08

HD

A closeup of a vacuum tube powering up in the dark. The scene starts completely black, then the tube slowly lights up as it gets hotter. Shallow depth of field, second tube in back very out of focus.

00:20

HD

nixie tube indicator

00:06

HD

dusty inside of old radio

00:14

HD

Vacuum tubes in a homemade audio amplifier glow brightly inside the metal chassis, connected by vintage cloth wires. This illustrates the concept of retro radio engineering technology.

00:11

HD