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PULSE GAP

Date1941
Inventory NumberVT1187
ClassificationVacuum Tube
Cultural Region
    Place of Origin
      Dimensions9.6 × 2.8 × 2.8 cm (3 3/4 × 1 1/8 × 1 1/8 in.)
      Description"HYDROGEN-ARGON FILLED ""WHEATLAND COLLECTION""" Contains Radium
      FunctionSpark-gap modulator tube used in Navy radars. Second-sourced by Raytheon
      Western Electric Company
      Date: 1941
      Object number: VT2313
      Western Electric Company
      Date: 1941
      Object number: VT2311
      Western Electric Company
      Date: 1941
      Object number: VT3867
      Western Electric Company
      Date: 1941
      Object number: VT3866
      Western Electric Company
      Date: 1941
      Object number: VT2312
      Western Electric Company
      Date: 1941
      Object number: VT3868
      Western Electric Company
      Date: 1941
      Object number: VT3865
      VTNBK 4/581
      Western Electric Company
      Date: 1941
      Object number: VT1066
      demonstration set of discharge tubes with gases present in the air
      Air Reduction Company Inc.
      Date: circa 1912
      Accessories: instruction sheet in file
      Object number: RS0719
      Chaffee quenched spark gap radio transmitter
      Cutting and Washington Radio Corporation
      Date: 1915-1916
      Object number: RS0363
      SCO PENTODE
      Western Electric Company
      Date: 1943
      Object number: VT1185
      T/R TUBE
      Western Electric Company
      Date: 1942
      Object number: VT1184