• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shop, The (Echophone); Sunnyvale, CA

• Year
• 1921

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

• Radiomuseum.org ID
• 193664

• • Brand: Leroy

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

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Regenerative Receiver Type RS 1-24 - Radio Shop, The Echophone;

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

• Notes
• The Radio Shop RS 1-24 covered 100-24,000 meters all in one cabinet without a "dead spot". Variometer tuning applied to the entire scale with the resultant ease of control of regeneration and oscillation.

• Price in first year of sale
• 100.00 $

• Literature/Schematics (1)
• June 1921 QST Radio Shop advertisement page 95

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

• Other Models

• Here you find 34 models, 24 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shop, The (Echophone); Sunnyvale, CA