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Image Not Available for shop-built diode ??
shop-built diode ??
Image Not Available for shop-built diode ??

shop-built diode ??

Inventory NumberVT0216
ClassificationVacuum Tube
Maker Cruft Laboratory, Harvard University founded 1914
Cultural Region
    Place of Origin
      Dimensions15.3 × 2.9 × 2.9 cm (6 × 1 1/8 × 1 1/8 in.)
      Description2 HEAVY CYL ELECTRODES 1MM APART
      FunctionExperimental
      VTNBK 6/794
      shop-built diode ??
      Cruft Laboratory, Harvard University
      Object number: VT0215
      VTNBK 6/794
      DIODE ??
      Cruft Laboratory, Harvard University
      Object number: VT0214
      VTNBK 2/268
      shop-built discharge tube?
      Cruft Laboratory, Harvard University
      Object number: VT1298
      VTNBK 5/646
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1929
      Object number: VT0200
      VTNBK 6/831
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1922
      Object number: VT0199
      Image Not Available for shop-built gap discharge?
      shop-built gap discharge?
      Cruft Laboratory, Harvard University
      Date: 1922
      Object number: VT1297
      VTNBK 4/624
      shop-built diode, multi-anode
      Cruft Laboratory, Harvard University
      Date: 1938
      Object number: VT0224
      Image Not Available for shop-built diode
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1925
      Object number: VT0201
      VTNBK 5/642
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1925
      Object number: VT0202
      VTNBK 4/550
      shop-built FIL TEST diode
      Cruft Laboratory, Harvard University
      Object number: VT0220
      VTNBK 4/624
      shop-built FIL TEST diode
      Cruft Laboratory, Harvard University
      Date: 1938
      Object number: VT0223
      VTNBK 4/630
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1936
      Object number: VT0626