Variable Condenser 247-H , 247-F

General Radio Company; Cambridge (MA)

  • Year
  • 1924
  • Category
  • Radio part (not a module) 
  • Radiomuseum.org ID
  • 220735
    • alternative name: GenRad

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Variable Condenser 247-H , 247-F - General Radio Company;
  • Notes
  • Variable Condenser type 247.
    247-H : 500 mmf. with vernier, $5.00
    247-F : 500 mmf. without vernier, $3.25
  • Price in first year of sale
  • 5.00 USD
  • Literature/Schematics (2)
  • Radio Broadcast, Sep. 1924, p. 441

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