• Country
• United States of America (USA)

• Manufacturer / Brand
• Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia

• Year
• 1938

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 95608

• Wave bands
• - without

• Power type and voltage
• Is a battery or storage battery / 4.5 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: 781 ["C" Bias Battery] - Eveready Ever Ready, AENMC /

• Dimensions (WHD)
• 2.7 x 2.5 x 0.75 inch / 69 x 64 x 19 mm

• Notes
• Ohmmeter "C".

• Literature/Schematics (1)
• 1938 Radolek Catalog

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 157 models, 138 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia