Fleming's Diode Valve 1904. The Fleming valve, also called the Fleming oscillation valve, was a vacuum tube (or "thermionic valve") invented in 1904 by John Ambrose Fleming as a detector for early radio receivers used in electromagnetic wireless telegraphy
SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of Fleming's Diode Valve 1904. The Fleming valve, also called the Fleming oscillation valve, was a vacuum tube (or "thermionic valve") invented in 1904 by John Ambrose Fleming as a detector for early radio receivers used in electromagnetic wireless telegraphy by Image Asset Management is available for licensing today.
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Image Number: 1746-21131550Rights ManagedCredit Line:SuperStock/Image Asset ManagementCollection: Image Asset Management Model Release:NoProperty Release:NoResolution:5167×4058
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