• Country
• United States of America (USA)

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

• Year
• 1920

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 349196

• Wave bands
• - without

• Power type and voltage
• Line (AC, UC or DC not known) / 110 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Rotary Spark Gap No. R8 1 KW. - Signal Electric Mfg. Co.;

• Shape
• Tablemodel, with any shape - general.

• Notes

• Signal Electric No. R8 1 KW. Rotary Spark Gap

• Price in first year of sale
• 24.00 $

• Mentioned in
• -- Original prospect or advert (November, 1920 Science and Invention magazine page 816)

• 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)