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triode
triode

triode

Inventory NumberVT1030
ClassificationVacuum Tube
Maker American ?
Cultural Region
    Dimensions10.2 × 3.5 × 3.5 cm (4 × 1 3/8 × 1 3/8 in.)
    Material
      DescriptionHOR CYL ANODE.
      Triode, brass 4 pin base, locator pin on side.
      Signedunsigned
      Inscribedhandwritten on base: Loose
      FunctionAmplifier Detector
      O&T O-T triode
      O&T O-T triode
      O & T Electric
      Date: 1923
      Object number: VT1034
      experimental discharge tube
      experimental discharge tube
      Cruft Laboratory, Harvard University
      Date: 1920-1929
      Object number: VT0211
      experimental diode tube
      experimental diode tube
      Cruft Laboratory, Harvard University
      Date: 1929
      Object number: VT0244
      De Forest Audion triode tube
      De Forest Audion triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: circa 1923
      Object number: VT0752
      Cunningham C12 triode tube
      Cunningham C12 triode tube
      E. T. Cunningham, Inc.
      Date: 1923-1926
      Object number: VT0339
      Raytheon RayX112A triode tube
      Raytheon RayX112A triode tube
      Raytheon Manufacturing Company
      Date: 1925
      Object number: VT0428
      Sterling X171 power triode tube
      Sterling X171 power triode tube
      Naylor Radio Corporation
      Date: 1926-1927
      Object number: VT0375
      Grant's Songbird 171A power triode tube
      Grant's Songbird 171A power triode tube
      W. T. Grant Company
      Date: 1926-1929
      Object number: VT0379
      RCA Radiotron UX240 triode
      RCA Radiotron UX240 triode
      Radio Corporation of America
      Date: 1927
      Object number: VT1395
      Image Not Available for Eveready Raytheon ER112A triode
      Eveready Raytheon ER112A triode
      Eveready Raytheon
      Date: 1927
      Object number: VT1401
      Raytheon 171A power triode tube
      Raytheon 171A power triode tube
      Raytheon Manufacturing Company
      Date: 1926
      Object number: VT1420
      RCA Radiotron UX171A power triode tube
      RCA Radiotron UX171A power triode tube
      Radio Corporation of America
      Date: 1926-1930
      Object number: VT1411