• Country
• United States of America (USA)

• Manufacturer / Brand
• Signal Electric Mfg. Co.; Menominee (MI)

• Year
• 1921

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

• Radiomuseum.org ID
• 196441

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Primary Series Condenser R-44 - Signal Electric Mfg. Co.;

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

• Notes
• The Signal Type R-44 Primary Series Condenser equipped with a dial with a wavelength scale so the users own set can be calibrated to his antennae and ground system.

• Literature/Schematics (1)
• October 1921 QST Signal advertisement

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

• Other Models

• Here you find 34 models, 33 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Signal Electric Mfg. Co.; Menominee (MI)