• Country
• United States of America (USA)

• Manufacturer / Brand
• A-C Dayton Co., A-C Electrical; Dayton (OH)

• Year
• 1924

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 100271

• • alternative name: AC Dayton

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Copp Vario Selector - A-C Dayton Co., A-C Electrical

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

• Notes
• Preselector to improve selectivity. Converts a single circuit into a double circuit receiver. It is not just a wave trap! Designed by R.S.Copp.

• Price in first year of sale
• 11.00 $

• Source of data
• Radio Manufacturers of the 1920s, Vol 1

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 47 models, 27 with images and 33 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from A-C Dayton Co., A-C Electrical; Dayton (OH)