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RADIO COMMUNICATIONS, 1886-1939 Hertz rectangular oscillator, c 1888

RADIO COMMUNICATIONS, 1886-1939 Hertz rectangular oscillator, c 1888
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Medium 744 × 1024 px 63 × 87 mm 739 KB

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IMAGE number
UIS5064536
Image title
RADIO COMMUNICATIONS, 1886-1939 Hertz rectangular oscillator, c 1888
Auto-translated text View Original Source
Artist
Unknown
Location
Science Museum, London, UK
Medium
object
Image description

RADIO COMMUNICATIONS, 1886-1939 Hertz rectangular oscillator, c 1888. Replica. In 1888, the German physicist Heinrich Hertz (1857-1894) confirmed experimentally James Clerk-Maxwell's (1831-1879) theory of the existence of electromagnetic waves. He found that electromagnetic radiation behaved (with the exception of wavelength) like light waves. Hertz discovered that electromagnetic waves generated by an electric spark could be detected by a tuned electric circuit situated up to 20 metres away from their source. Hertz discoveries enabled Guglielmo Marconi (1874-1937) to devise a way of using radio waves as a means of comunication in 1894. The unit of frequency of radio waves is today named after Hertz. ©SSPL/Science Museum

Photo credit
SSPL/UIG / Bridgeman Images
Image keywords
20th century / Science / radio / news / thing / communication / photography

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