• Country
• United States of America (USA)

• Manufacturer / Brand
• California Electric Supply Co.; San Francisco, California

• Year
• 1921

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 212751

• Number of Tubes
• 1

• Valves / Tubes
• AudioTron or T_deForest

• Main principle
• Detector with Vacuum Tube (Valve), no tuner

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Audion Control Panel - California Electric Supply Co.

• Shape
• Tablemodel, with any shape - general.

• Notes
• California Electrical Supply Company Audion Control Panel with tubular vacuum tube mounting on front panel.

• Price in first year of sale
• 11.00 $

• Literature/Schematics (1)
• June 1921 QST magazine advertisement page 104

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from California Electric Supply Co.; San Francisco, California