• Country
• United States of America (USA)

• Manufacturer / Brand
• Freshman Co. Inc., Chas.., (Polydyne); New York

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 41107

• • Brand: C.A.Earl

• Number of Tubes
• 6

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Power type and voltage
• Direct Current supply (DC)

• from Radiomuseum.org
• Model: LS - Freshman Co. Inc., Chas..,

• Notes
• In Riders only mentioned with model "L". One dial (primary tuning control knob).

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Other Models

• Here you find 131 models, 79 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Freshman Co. Inc., Chas.., (Polydyne); New York