• Country
• United States of America (USA)

• Manufacturer / Brand
• National Company; Cambridge & Malden (MA)

• Year
• 1928 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 102979

• • alternative name: National Toy Co.
  • Brand: Thrillbox

• Number of Tubes
• 3

• Valves / Tubes

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Three Tube Screen Grid - National Company; Cambridge &

• Shape
• Chassis only or for «building in»

• Price in first year of sale
• 45.00 $

• Literature/Schematics (1)
• Chicago Salvage Stock Store catalogue, 1928?

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 445 models, 284 with images and 189 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Company; Cambridge & Malden (MA)