• Country
• United States of America (USA)

• Manufacturer / Brand
• Fansteel Products (Pfanstiehl, Pfansteihl, Balkite, Balkeit); Chicago

• Year
• 1926 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 33964

• • alternative name: Balkeit || First National
  • Brand: Overtone

Click on the schematic thumbnail to request the schematic as a free document.

• Main principle
• Special principle (see notes)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Balkite "A" Supply A-6 [Form B] - Fansteel Products Pfanstiehl,

• Dimensions (WHD)
• 6 x 10.75 x 8.375 inch / 152 x 273 x 213 mm

• Notes

• Output 6 Volts, 2 Amps.
  Note: This model is BALKITE (not Balkeit)!
  Balkeit, Balkite, Pfanstiehl are put together to Fansteel.

  Possible electrolyte may have been an aqueous solution of potassium hydroxide suggested by US Patent 1637795 and referenced on mfg id plate.

  Dealer catalog spec dated 05Oct1927 states it does not use the standard Balkite electrolyte, but is shipped dry and requires the addition of water only.

• Net weight (2.2 lb = 1 kg)
• 26 lb 0 oz (26 lb) / 11.804 kg

• Price in first year of sale
• 35.00 USD

• External source of data
• Ernst Erb

• Source of data
• -- Original-techn. papers.

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Other Models

• Here you find 131 models, 74 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Fansteel Products (Pfanstiehl, Pfansteihl, Balkite, Balkeit); Chicago