Modern Aladdin's Lamp

Duration: 0:21:00

Year Published: 1946

Format: 16mm

Color: B&W

Sound: sound

Description: Development of the vacuum tube is traced, showing how it is made and its many applications in everyday life, with particular reference to its use as a repeater tube in telephone circuits.

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Indiana University Library Moving Image Archive

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Original permalink · Record added: 2024-04-20 17:30:32