• Country
• United States of America (USA)

• Manufacturer / Brand
• Wireless Products Co.; NY

• Year
• 1925

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 239310

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Royalty Variable High Resistance Type C - Wireless Products Co.; NY

• Notes

• Royalty Variable High Resistance, Type C.

  500 to 50,000 ohms.

   

• Price in first year of sale
• 1.50 $

• Literature/Schematics (1)
• Radio Trade Directory, Aug. 1925, p. 108

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wireless Products Co.; NY