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History San Jose

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Related Records

  1. Radio Apparatus KQW (Air Core Transformer)
  2. 2003-1 - 2003-1-2302

    Perham Collection of Early Electronics

    Record Type: Object

    Loading coil for KQW radio transmitter
  3. 2003-1 - 2003-1-2321

    Perham Collection of Early Electronics

    Record Type: Object

    Herrold water-cooled carbon microphone, c. 1909
  4. 2003-1 - 2003-1-783

    Perham Collection of Early Electronics

    Record Type: Object

    Tuning coil for KQW radio transmitter
  5. 2003-1 - 2003-1-784

    Perham Collection of Early Electronics

    Record Type: Object

    Telegraph key for radio transmission
  6. 2003-1 - 2003-1-785

    Perham Collection of Early Electronics

    Record Type: Object

    Weston's Direct-Reading Ammeter
  7. 2003-1 - 2003-1-786

    Perham Collection of Early Electronics

    Record Type: Object

    Weston's Direct-Reading Volt-Meter
  8. 2003-1 - 2003-1-787

    Perham Collection of Early Electronics

    Record Type: Object

    Jars Condenser No. 7 variable tuning capacitor
  9. 2003-1 - 2003-1-788

    Perham Collection of Early Electronics

    Record Type: Object

    Water-cooled carbon microphone mouthpiece, c. 1910
  10. 2003-1 - 2003-1-789

    Perham Collection of Early Electronics

    Record Type: Object

    Telegraph key for radio transmission
  11. 2003-1 - 2003-1-790

    Perham Collection of Early Electronics

    Record Type: Object

    Variable inductor tuning coil
  12. Doc Herrold equipment, New Almaden Museum
  13. Station KQW display, New Almaden Museum
  14. 2012-24 - 2012-24-22

    History San Jose Collection

    Record Type: Object

    Model M S Monarch Special phonograph

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