• Country
• United States of America (USA)

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: USA

• Year
• 1920 ??

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 301308

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Transmitter

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Transmitter - Unknown - CUSTOM BUILT: USA

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

• Dimensions (WHD)
• 280 x 260 x 260 mm / 11 x 10.2 x 10.2 inch

• Notes

• Transmitter for professional use. Two tubes in parallel as final stage.

• Net weight (2.2 lb = 1 kg)
• 5.5 kg / 12 lb 1.8 oz (12.115 lb)

• Author
• Model page created by Musée des Radios Museum. See "Data change" for further contributors.

• Other Models

• Here you find 265 models, 220 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: USA