• Country
• United States of America (USA)

• Manufacturer / Brand
• Clapp-Eastham Co.; Cambridge, MA

• Year
• 1923

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 35297

• • Brand: Radak

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Radak R23 - Clapp-Eastham Co.; Cambridge,

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

• Dimensions (WHD)
• 9 x 10.7 x 7 inch / 229 x 272 x 178 mm

• Notes
• Tuner part for combination with A23; Reaction applied.

• Price in first year of sale
• 40.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• Radio Manufacturers of the 1920s, Vol 1

• Other Models

• Here you find 130 models, 106 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Clapp-Eastham Co.; Cambridge, MA