• Country
• United States of America (USA)

• Manufacturer / Brand
• Telephone Maintenance Co.; Chicago, Illinois (Telmaco)

• Year
• 1921

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

• Radiomuseum.org ID
• 193594

• • Brand: Telmaco

• Main principle
• Tuner pre 1926 (not a wave trap)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Telmaco Short Wave Receiver TR-1 - Telephone Maintenance Co.;

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

• Dimensions (WHD)
• 16.75 x 6.125 x 0 inch / 425 x 156 x 0 mm

• Notes
• Telemaco TR-1 Short Wave Receiver. The TR-1 is the typical three circuit tuner of the early 1920's, consisting of two variometers and a variocoupler.

• Price in first year of sale
• 35.00 $

• Literature/Schematics (1)
• Nov. 1921 QST magazine Telmaco advertisement Page 131

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

• Other Models

• Here you find 16 models, 13 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telephone Maintenance Co.; Chicago, Illinois (Telmaco)