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experimental triode tube
experimental triode tube

experimental triode tube

Datecirca 1919
Inventory NumberVT0196
ClassificationVacuum Tube
Maker Cruft Laboratory, Harvard University founded 1914
Cultural Region
    Place of Origin
      Dimensions12.7 × 3.5 × 3.5 cm (5 × 1 3/8 × 1 3/8 in.)
      DescriptionWRAPPED CONST
      Metal base with index pin on side and 4 socket pins. Has heater/cathode, grid screen and plate.
      Inscribedin pencil on base: 2 in pencil on base: O
      FunctionExperimental
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: circa 1919
      Object number: VT0188
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: circa 1925
      Object number: VT0187
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: circa 1923
      Object number: VT0190
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: 1925
      Object number: VT0185
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: 1925
      Object number: VT0186
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: circa 1920
      Object number: VT0189
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: circa 1925
      Object number: VT0191
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: 1919
      Object number: VT0183
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: circa 1919
      Object number: VT0193
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: circa 1919
      Object number: VT0192
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: 1919
      Object number: VT0184
      experimental triode tube
      experimental triode tube
      Cruft Laboratory, Harvard University
      Date: 1915-1920
      Object number: VT0198