Midget Radio
O far no one seems to have built a practical radio set as small as a wristlet watch. But a little more than a month ago, according to Time, a National Bureau of Standards physicist announced that scientists had come close to it. A tiny new skeleton set, no bigger than a packet of cigarettes, could be hidden in the palm of the hand, he said. The miniature set is a descendant of the famous proximity fuse, which was a complete transmitter-receiver in the nose of a 5-inch shell. Part of the secret is the small tubes, no bigger than lima beans. Instead of the conventional radio’s bulky tangle of wires, designers used lines of silver-bearing ink, printed accurately through a stencil on a small ceramic plate. The "resistors" are printed, too, in carbon ink. The condensers are paperthin discs of ceramics, silver-coated on both sides and stuck on the plate. Even the coils can be printed. Problems that need to be worked out before the little set is manufactured in mass are a mobile source of power, and an amplifier,
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https://paperspast.natlib.govt.nz/periodicals/NZLIST19460412.2.62
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New Zealand Listener, Volume 14, Issue 355, 12 April 1946, Page 31
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183Midget Radio New Zealand Listener, Volume 14, Issue 355, 12 April 1946, Page 31
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Copyright in the work University Entrance by Janet Frame (credited as J.F., 22 March 1946, page 18), is owned by the Janet Frame Literary Trust. The National Library has been granted permission to digitise this article and make it available online as part of this digitised version of the New Zealand Listener. You can search, browse, and print this article for research and personal study only. Permission must be obtained from the Janet Frame Literary Trust for any other use.
Copyright in the Denis Glover serial Hot Water Sailor published in 1959 is owned by Pia Glover. The National Library has been granted permission to digitise this serial and make it available online as part of this digitised version of the Listener. You can search, browse, and print this serial for research and personal study only. Permission must be obtained from Pia Glover for any other use.
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