• Country
• United States of America (USA)

• Manufacturer / Brand
• Silver - Marshall; Chicago, IL

• Year
• 1926

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

• Radiomuseum.org ID
• 57912

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

• Number of Tubes
• 4

• Valves / Tubes

• Main principle
• TRF with regeneration

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

• Material
• Various materials

• from Radiomuseum.org
• Model: SM-620 S-C - Silver - Marshall; Chicago, IL

• Price in first year of sale
• 59.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Manufacturers of the 1920's, Vol. 3

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Literature/Schematics (2)
• Radio Broadcast, Apr. 1926, p. 710

• Other Models

• Here you find 225 models, 116 with images and 122 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Silver - Marshall; Chicago, IL