• Country
• United States of America (USA)

• Manufacturer / Brand
• Grimes, David Inc.; Staten Island, NY

• Year
• 1927

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 278625

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• UX201A UX201A UX200A UX171

• Main principle
• Special principle (see notes)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 6 & 22,5 & 4,5 & 22,5 & 90 & 135 Volt

• Loudspeaker
• - This model requires external speaker(s).

• from Radiomuseum.org
• Model: RGS - Grimes, David Inc.; Staten

• Notes

• Grimes Own Kit, offered to public as a kit in1927 after he had left David Grimes and formed the Grimes Radio Engineering Co. It was still an inverse duplex set using off the shelf parts.

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by Donald Patterson. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 14 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grimes, David Inc.; Staten Island, NY