ROAA Vacuum Tube Storage Battery

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

  • Year
  • 1920
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 247038
    • Brand: Synchrophase

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Is a battery or storage battery / 22 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: ROAA Vacuum Tube Storage Battery - Grebe, A.H. & Co.; Richmond
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 6.5 x 3.5 x 3.5 inch / 165 x 89 x 89 mm
  • Notes
  • Vacuum Tube Storage Battery Type ROAA with Fluid Electrolyte - B Battery for plate operation.
  • Net weight (2.2 lb = 1 kg)
  • 5 lb (5 lb 0 oz) / 2.270 kg
  • Price in first year of sale
  • 19.00 USD
  • Literature/Schematics (2)
  • February, 1920 A. H. Grebe & Co. Bulletin A-410, A-411
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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