• Country
• United States of America (USA)

• Manufacturer / Brand
• Wireless Improvement Co.; New York City, New York

• Year
• 1919

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

• Radiomuseum.org ID
• 198726

• Number of Tubes
• 1

• Valves / Tubes
• VT-1 or VT-Class-I or B_Moorhead-Shaw

• 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

• from Radiomuseum.org
• Model: Vacuum Valve Control Box Type WI-106A - Wireless Improvement Co.; New

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

• Dimensions (WHD)
• 6 x 11.5 x 6 inch / 152 x 292 x 152 mm

• Notes
• The Wireless Improvement Company WI-106A Vacuum Valve Control. The WI-106A Audion Control box contained a four point socket for standard receiving tubes, a filament ammeter, a filament rheostat, a grid condenser, a grid leak and a telephone condenser. This model was battery only and did not include the 110V filter system.

• Net weight (2.2 lb = 1 kg)
• 6 lb (6 lb 0 oz) / 2.724 kg

• Price in first year of sale
• 60.00 $

• Mentioned in
• - - Manufacturers Literature (Wicony Catalogue Bulletin No. 4)

• Literature/Schematics (4)
• June 1920 Wireless Age magazine page 6

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

• Other Models

• Here you find 18 models, 15 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wireless Improvement Co.; New York City, New York