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O&T O-T triode
O&T O-T triode

O&T O-T triode

Date1923
Inventory NumberVT1034
ClassificationVacuum Tube
Maker O & T Electric 1924
Cultural Region
    Dimensions9.6 × 3.5 × 3.5 cm (3 3/4 × 1 3/8 × 1 3/8 in.)
    Material
      DescriptionVERT CYL ANODE.
      Triode, brass base 4 pin base locator pin on side.
      Signedprinted on base: O-T-I-A / MANFD FOR THE O & T ELEC. CORP. / BY THE / DeForest Radio Tel. & Tel. Co. U.S. Patents / Nos. 841389 & 879532 / FOR AMATEUR AND EXPERIMENTAL USE
      Inscribedin pencil on base: 54
      FunctionAmplifier Detector
      triode
      triode
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