• Country
• United States of America (USA)

• Manufacturer / Brand
• Crocker-Wheeler Electric Co.; Ampere, NJ

• Year
• 1922 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 292156

• Number of Tubes
• 1

• Valves / Tubes
• UV201

• Main principle
• Audio-Amplification; 1 AF stage(s)

• Wave bands
• - without

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Add-A-Unit Audio Amplifier Cat. No. 203-3 - Crocker-Wheeler Electric Co.;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• Crocker-Wheeler Add A Unit Audio Amplifier Cat. No. 203-3

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

• Other Models

• Here you find 5 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Crocker-Wheeler Electric Co.; Ampere, NJ