Skip to main content
Advanced Search
VTNBK 1/100
shop-built geiger counter?
VTNBK 1/100

shop-built geiger counter?

Inventory NumberVT1605
ClassificationVacuum Tube
Maker Cruft Laboratory, Harvard University ? founded 1914
Cultural Region
    Place of Origin
      Dimensions8.7 × 2.6 × 2.6 cm (3 7/16 × 1 × 1 in.)
      DescriptionMADE FROM TEST TUBE + SiO2 WINDOW. RAD COUNTR
      shop-built geiger counter
      shop-built geiger counter
      Jefferson Physical Laboratory, Harvard University
      Object number: VT1097
      VTNBK 4/624
      shop-built diode, multi-anode
      Cruft Laboratory, Harvard University
      Date: 1938
      Object number: VT0224
      VTNBK 4/624
      shop-built FIL TEST diode
      Cruft Laboratory, Harvard University
      Date: 1938
      Object number: VT0223
      VTNBK 4/550
      shop-built FIL TEST diode
      Cruft Laboratory, Harvard University
      Object number: VT0220
      VTNBK 2/268
      shop-built discharge tube?
      Cruft Laboratory, Harvard University
      Object number: VT1298
      Image Not Available for shop-built triode?
      shop-built triode?
      Cruft Laboratory, Harvard University
      Object number: VT0817
      VTNBK 5/654
      shop-built FIL TEST
      Cruft Laboratory, Harvard University
      Date: 1929
      Object number: VT0227
      VTNBK 5/654
      shop-built FIL TEST
      Cruft Laboratory, Harvard University
      Date: 1929
      Object number: VT0228
      Image Not Available for shop-built FIL TEST?
      shop-built FIL TEST?
      Cruft Laboratory, Harvard University
      Date: 1936
      Object number: VT0225
      Image Not Available for shop-built FIL TEST
      shop-built FIL TEST
      Cruft Laboratory, Harvard University
      Object number: VT0219
      VTNBK 5/646
      shop-built diode
      Cruft Laboratory, Harvard University
      Date: 1929
      Object number: VT0200
      VTNBK 6/832
      shop-built solenoid
      Cruft Laboratory, Harvard University
      Object number: VT0251