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PHILCO pentode
PHILCO pentode
© Collection of Historical Scientific Instruments, Harvard University

PHILCO pentode

Inventory NumberVT0083
ClassificationVacuum Tube
Maker Philadelphia Storage Battery Company 1906 - 1940
Cultural Region
    Place of Origin
      Dimensions7.4 × 3.1 × 3.1 cm (2 15/16 × 1 1/4 × 1 1/4 in.)
      PHILCO 78E RCO pentode
      PHILCO 78E RCO pentode
      Philadelphia Storage Battery Company
      Date: 1938
      Object number: VT1244
      PHILCO 7B4 triode
      PHILCO 7B4 triode
      Philadelphia Storage Battery Company
      Object number: VT0080
      PHILCO 1201 triode
      PHILCO 1201 triode
      Philadelphia Storage Battery Company
      Date: 1942
      Object number: VT0082
      PHILCO 7C6 2x diode-triode
      PHILCO 7C6 2x diode-triode
      Philadelphia Storage Battery Company
      Object number: VT0098
      PHILCO 24 SCO tetrode
      PHILCO 24 SCO tetrode
      Philadelphia Storage Battery Company
      Object number: VT0178
      PHILCO 7X7 2x diode-triode
      PHILCO 7X7 2x diode-triode
      Philadelphia Storage Battery Company
      Date: 1939
      Object number: VT0926
      PHILCO XXL triode
      PHILCO XXL triode
      Philadelphia Storage Battery Company
      Object number: VT1440
      Philco portable AB Battery, No. P-41A-4FL
      Philco portable AB Battery, No. P-41A-4FL
      Philadelphia Storage Battery Company
      Date: circa 1940
      Object number: RS0065b
      Philco model 511 radio receiver
      Philco model 511 radio receiver
      Philadelphia Storage Battery Company
      Date: 1928
      Object number: RS0037
      Philco high voltage power supply
      Philco high voltage power supply
      Philadelphia Storage Battery Company
      Object number: RS0980
      Philco model 65 lowboy console radio
      Philco model 65 lowboy console radio
      Philadelphia Storage Battery Company
      Date: 1929
      Object number: RS0599
      cathode and filament wire from Phil Co 84 vacuum tube
      cathode and filament wire from Phil Co 84 vacuum tube
      Philadelphia Storage Battery Company
      Date: 1920-1930
      Accessories: red cardboard cylinder case
      Object number: VT5203