• Country
• United States of America (USA)

• Manufacturer / Brand
• Adams-Morgan Co. (AMCO); Upper Montclair, N.J

• Year
• 1921

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

• Radiomuseum.org ID
• 187012

• Number of Tubes
• 1

• Valves / Tubes
• UV200 or UV201

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite, TUBES VISIBLE

• from Radiomuseum.org
• Model: VT Control [early] - Adams-Morgan Co. AMCO; Upper

• Dimensions (WHD)
• 3 x 2 x 5 inch / 76 x 51 x 127 mm

• Notes
• This unit can be used as a detector with on board grid leak/condenser, or used as an AF Amp with external Paragon audio transformer.
  This unit has no number and patents are pending. There is a later version #70, where patents are already granted as from Aug.30,1921.

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

• Mentioned in
• Radio Manufacturers of the 1920s, Vol 1 (Pg 12)

• Author
• Model page created by Joseph Woychowski. See "Data change" for further contributors.

• Other Models

• Here you find 64 models, 56 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Adams-Morgan Co. (AMCO); Upper Montclair, N.J