Large rotating disk invented by John L. Baird for scanning images,radio signals

Title: [Large rotating disk invented by John L. Baird for scanning images and turning them into electrical images for transmission as radio signals]
Related Names:
Baird, John Logie, 1888-1946.
Date Created/Published: [1924 May 7]
Notes:
Title devised by Library staff.
Illus. in: The wireless world and radio review. London, vol. 14 (1924 May 7).
Published in: The tradition of technology : Landmarks of Western technology ... / Leonard C. Bruno. Washington, D.C. : Library of Congress, 1995, p. 281.
Subjects:
Broadcasting--1920-1930.
Radio photographs--1920-1930.
Periodical illustrations--1920-1930.
Photomechanical prints--1920-1930.
Bookmark /2006692252/
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