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Radio signal testing, 1925

Radio signal testing, 1925

V400/0139

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Credit

NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY

Caption

Radio signal testing. Car with portable apparatus used to measure the strength of radio signals. The aerial is seen at right, while the signal processing equipment is seen in the car. Photographed in the late 1940s.

Release details

Model release not required. Property release not required.

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