Items tagged radios in MV Collections

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  • Mica Condenser - Sangamo, Radio, circa 1927 Object

    Mica Condenser - Sangamo, Radio, circa 1927

    Brown mica condenser with two mounting screws. Alternative name is capacitor. A mica capacitor has several layers of metal foil plates that are separated by thin sheets of mica materi ...

    Images: 1
  • Mica Condenser - Sterling, Radio, 1920s Object

    Mica Condenser - Sterling, Radio, 1920s

    Black mica condenser in original packaging. Alternative name is capacitor. A mica capacitor has several layers of metal foil plates that are separated by thin sheets of mica material, ...

    Images: 1
  • Microcondenser - Sterling, Type R311, circa 1926 Object

    Microcondenser - Sterling, Type R311, circa 1926

    Micro condenser (or capacitor) in its original box with instruction sheet, used for neutralising radio frequency amplifiers, made by Sterling Manufacturing Co., Cleveland, Ohio, U.S.A. ...

    Images: 1
  • Basket Coils - Unknown Maker, Radio Receiver, circa 1922 Object

    Basket Coils - Unknown Maker, Radio Receiver, circa 1922

    Two basket coils, one in green wire and the other in brown. Used in radio receivers, basket coils were wound in such a way as to minimise the self-capacitance of the coil. This green wo ...

    Images: 2
  • Transformer - Klassic, Audio, circa 1930 Object

    Transformer - Klassic, Audio, circa 1930

    Klassic transformer, audio, for interstage coupling in radio receivers. American manufacture, circa 1930.

    Images: 1
  • Battery Tester - Beede, Watch Type, circa 1925 Object

    Battery Tester - Beede, Watch Type, circa 1925

    Beede meter used to test radio batteries, made in about 1925. Dial is marked for testing "B" batteries (22.5 and 45 V).

    Images: 1
  • Vibrator - Bland Radio, Type BR50C, circa 1950 Object

    Vibrator - Bland Radio, Type BR50C, circa 1950

    Bland vibrator used for radios designed to run from a DC supply. Vibrators are used to change DC into AC which is then be stepped up by a transformer to the voltage required by the rad ...

    Images: 1
  • Vibrator - Ferrocart, Type M225, 1951 Object

    Vibrator - Ferrocart, Type M225, 1951

    Ferrocart vibrator used for farm radios designed to run from 32 Volt DC supply. 32 Volt DC supplies were common on farm properties before the advent of mains power. The batteries were f ...

    Images: 1
  • Vibrator - Ferrocart, Type 4085-027-01, circa 1955 Object

    Vibrator - Ferrocart, Type 4085-027-01, circa 1955

    Ferrocart vibrator used for car radios designed to run from 12 Volt DC supply. Ferrocart is a brand used by Electronic Industries. Vibrators are used to change DC into AC which is then ...

    Images: 1
  • Vibrator - Ferrocart, Type PM413, circa 1935 Object

    Vibrator - Ferrocart, Type PM413, circa 1935

    Ferrocart synchronous vibrator used for car and farm radios designed to run from 6 Volt DC supply. The farm batteries were frequently charged by exchanging them with a car battery. Fer ...

    Images: 1
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