TGAD Synchronous Rotary Spark-Gap

Grebe, A.H. & Co.; Richmond Hill (NY)

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  • Year
  • 1920
perfect model
  • Category
  • Amateur Equipment (Other, but not Key)
  • Radiomuseum.org ID
  • 247056
    • Brand: Synchrophase

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: TGAD Synchronous Rotary Spark-Gap - Grebe, A.H. & Co.; Richmond
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Grebe Radio Type TGAD Synchronous Rotary Spark Gap. Same 220 Volt motor as used on the Type TGAC only with step-up transformer for operation from 110 Volt AC supply.  New design AC motor rotary spark gap for synchronous spark gap transmitters.


    Motors: Crocker-Wheeler Special Synchronous Type, single phase, 60 cycle, 1/8 H. P.; 5/8" shaft running in bronze bearings. Rotating disk 8 1/2" in diameter and 3/8" thick. Electrodes: Levett metal polished. Supporting base: Bakelite-Dilecto, grade XX.

     

  • Price in first year of sale
  • 150.00 USD
  • Literature/Schematics (2)
  • April, 1920 A. H. Grebe & Co. Bulletin T-100, T-101
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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