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Radio Communications, 1886-1939 Apparatus used by Heinrich Hertz, c 1887

IMAGE number
UIS5069700
Image title
Radio Communications, 1886-1939 Apparatus used by Heinrich Hertz, c 1887
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Location
Science Museum, London, UK
Medium
object
Image description

Radio Communications, 1886-1939 Apparatus used by Heinrich Hertz, c 1887. Model (scale 1:4). 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
19th century / 20th century / 1900's / 1910's / twenties / thirties / news / thing / radio / germany german / physics / invention / Science / communication / photography

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Largest available format 3504 × 2773 px 1 MB
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Medium 1024 × 811 px 87 × 69 mm 845 KB

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