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De Forest Audion DV3 triode tube
De Forest Audion DV3 triode tube

De Forest Audion DV3 triode tube

Date1925
Inventory NumberVT1042
ClassificationVacuum Tube
Maker De Forest Radio Telephone & Telegraph Company 1907 - 1931
Cultural Region
    Place of Origin
      Dimensions8 × 3.5 × 3.5 cm (3 1/8 × 1 3/8 × 1 3/8 in.)
      Description3v DRY CELL AUDION.
      Triode, 4 pin base with ceramic socket, locator pin on side.
      Signed/ 6-3-19 - 5-1-23 / SOLD ONLY / FOR AMATEUR AND EXPERIMENTAL / USE
      Inscribedin pencil on base: N.G.
      FunctionAmplifier Detector
      De Forest Audion triode tube
      De Forest Audion triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: circa 1923
      Object number: VT0752
      De Forest Audion DL15 detector triode tube
      De Forest Audion DL15 detector triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1926
      Object number: VT0510
      De Forest Audion DL15 detector triode tube
      De Forest Audion DL15 detector triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1927
      Object number: VT1041
      DeForest Audion 471B triode tube
      DeForest Audion 471B triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1925
      Object number: VT0367
      De Forest Audion Oscillion type S "singer" triode tube
      De Forest Audion Oscillion type S "singer" triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1915
      Object number: VT0896
      De Forest Audion radio set
      De Forest Audion radio set
      De Forest Radio Telephone & Telegraph Company
      Date: circa 1916
      Accessories: headphones
      Object number: 1991-1-0002a
      De Forest Audion D Oscillion triode tube
      De Forest Audion D Oscillion triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1926
      Object number: VT0573
      reworked De Forest Audion triode tube
      reworked De Forest Audion triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1907-1920
      Object number: VT1086
      DeForest Audion 427 triode tube
      DeForest Audion 427 triode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1927
      Object number: VT1403
      De Forest Audion 422 screen-grid tetrode tube
      De Forest Audion 422 screen-grid tetrode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1928
      Object number: VT1380
      De Forest Audion 565 transmitter tetrode tube
      De Forest Audion 565 transmitter tetrode tube
      De Forest Radio Telephone & Telegraph Company
      Date: 1930
      Object number: VT1559
      De Forest VT detector and 2 stage amplifier
      De Forest VT detector and 2 stage amplifier
      De Forest Radio Telephone & Telegraph Company
      Date: circa 1921
      Accessories: 13 inductance coils in original boxes and 2 meters.
      Object number: RS0301