Early portable military radio. Artwork of a soldier carrying an early portable military radio. Radios used by the military varied in size depending on

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Early portable military radio. Artwork of a soldier carrying an early portable military radio. Radios used by the military varied in size depending on how far they needed to transmit and receive. It was not until the invention of the transistor and its practical use from 1954 that radios could be greatly reduced in size, making them more portable.

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Size: 2879px × 3059px
Photo credit: © GLYN GOODWIN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1900s, 1940s, 20th, adult, artwork, background, bulky, carry, carrying, cartoon, caucasian, century, communication, communications, electronics, engineering, equipment, heavy, human, illustration, male, man, military, operator, people, person, portable, radio, receiver, soldier, technological, technology, telecommunication, telecommunications, transistors, transmitter, tubes, valves, warfare, white