Skip to main content
Advanced Search
VTNBK 5/664
shop-built diode
VTNBK 5/664

shop-built diode

Date1939
Inventory NumberVT0625
ClassificationVacuum Tube
Maker Cruft Laboratory, Harvard University founded 1914
Cultural Region
    Place of Origin
      Dimensions13.5 × 6.7 × 6.7 cm (5 5/16 × 2 5/8 × 2 5/8 in.)
      DescriptionLOOSE PIECES FLOATING AROUND INSIDE
      FunctionExperimental
      VTNBK 6/824
      shop-built triode
      Cruft Laboratory, Harvard University
      Date: 1921
      Object number: VT1021
      VTNBK 4/624
      shop-built diode, multi-anode
      Cruft Laboratory, Harvard University
      Date: 1938
      Object number: VT0224
      VTNBK 5/646
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1929
      Object number: VT0200
      Image Not Available for shop-built diode ??
      shop-built diode ??
      Cruft Laboratory, Harvard University
      Object number: VT0216
      VTNBK 6/831
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1922
      Object number: VT0199
      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 6/794
      shop-built diode ??
      Cruft Laboratory, Harvard University
      Object number: VT0215
      VTNBK 4/630
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1936
      Object number: VT0626
      Image Not Available for shop-built diode
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1936
      Object number: VT0627