Radio Hat (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Radio Hat" in Spanish language version.

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books.google.com

google.com

  • Hoeflich, Victor T., "Machine for making convoluted structures of flexible materials", US Patent 1888197, publicado 15 de noviembre 1932.
  • Hoeflich, Victor T., "Method of manufacturing noise", US Patent 2280582, publicado 21 de abril 1942.
  • Hoeflich, Victor T., "Mouthpiece for sound-producing devices", US Patent 2607162, issued August 19, 1952.

newyorker.com

web.archive.org

  • «The Radio Hat». Radio Electronics 20 (9): pp. 4, 32-33. junio de 1949.  Cover description: The Radio Hat, posed by Hope Lange. page 4 "The Radio Hat is made in such gay colors as canary yellow, lipstick red, turquoise, chartreuse, tangerine, lavender, blue, and cerise for teen-agers, and in tan, gray, green-gray, and blue-gray for adult." page 33

wikimedia.org

commons.wikimedia.org

  • «The Radio Hat». Radio Electronics 20 (9): pp. 4, 32-33. junio de 1949.  Cover description: The Radio Hat, posed by Hope Lange. page 4 "The Radio Hat is made in such gay colors as canary yellow, lipstick red, turquoise, chartreuse, tangerine, lavender, blue, and cerise for teen-agers, and in tan, gray, green-gray, and blue-gray for adult." page 33