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VTNBK 5/646
shop-built diode
VTNBK 5/646

shop-built diode

Date1929
Inventory NumberVT0200
ClassificationVacuum Tube
Cultural Region
    Place of Origin
      Dimensions11 × 4.5 × 4.5 cm (4 5/16 × 1 3/4 × 1 3/4 in.)
      DescriptionHOR CYL ANODE MTD TO UV-202 BASE
      FunctionExperimental
      VTNBK 6/831
      Cruft Laboratory, Harvard University
      Date: 1922
      Object number: VT0199
      Cruft Laboratory, Harvard University
      Date: 1925
      Object number: VT0201
      VTNBK 5/642
      Cruft Laboratory, Harvard University
      Date: 1925
      Object number: VT0202
      Cruft Laboratory, Harvard University
      Object number: VT0216
      VTNBK 6/794
      Cruft Laboratory, Harvard University
      Object number: VT0215
      experimental diode tube
      Cruft Laboratory, Harvard University
      Date: 1929
      Object number: VT0244
      VTNBK 4/624
      Cruft Laboratory, Harvard University
      Date: 1938
      Object number: VT0224
      VTNBK 4/550
      Cruft Laboratory, Harvard University
      Object number: VT0220
      VTNBK 4/624
      Cruft Laboratory, Harvard University
      Date: 1938
      Object number: VT0223
      VTNBK 4/630
      Cruft Laboratory, Harvard University
      Date: 1936
      Object number: VT0626
      VTNBK 6/840
      Cruft Laboratory, Harvard University
      Date: 1923
      Object number: VT1028
      Cruft Laboratory, Harvard University
      Date: 1923
      Object number: VT1536