• Country
• Japan

• Manufacturer / Brand
• Annaka Electric Co.; - from 1931 called Anritsu.

• Year
• 1920

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

• Radiomuseum.org ID
• 321838

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Detector with Vacuum Tube (Valve), no tuner

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Vacuum Bulb Detector Type D Cat. No. 19130 - Annaka Electric Co.; - from 19

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

• Notes

• Annaka Electrical Instruments Type D Vacuum Valve Detector. Catalog No. 19130

   

• Mentioned in
• - - Manufacturers Literature (1920 Annaka Electrical Instrument Co. Radio Telegraph Apparatus catalog 45)

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

• Other Models

• Here you find 7 models, 7 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Annaka Electric Co.; - from 1931 called Anritsu.