• Country
• United States of America (USA)

• Manufacturer / Brand
• Chambers F.B., Co.; Philadelphia, PA

• Year
• 1912–1915 ?

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

• Radiomuseum.org ID
• 286227

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Spark Coil - Chambers F.B., Co.;

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

• Mentioned in
• February, 1912 Modern Electrics magazine page 1187

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

• Other Models

• Here you find 14 models, 14 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Chambers F.B., Co.; Philadelphia, PA