• Country
• United States of America (USA)

• Manufacturer / Brand
• Bremer-Tully Mfg. Co.; Chicago (IL)

• Year
• 1925

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 34538

• • Brand: Counterphase

• Number of Tubes
• 6

• Valves / Tubes

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

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Counterphase Kit 6 - Bremer-Tully Mfg. Co.; Chicago

• Notes
• Two dials (primary tuning control knobs)

• Price in first year of sale
• 38.00 $

• 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)

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Radio Broadcast, Nov. 1925, p. 94

• Other Models

• Here you find 48 models, 18 with images and 19 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bremer-Tully Mfg. Co.; Chicago (IL)