• Country
• United States of America (USA)

• Manufacturer / Brand
• Graybar Electric Co.; New York (NY)

• Year
• 1928/1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43433

• Number of Tubes
• 7

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

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

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 320 - Graybar Electric Co.; New York

• Shape
• Console, Highboy (legs > 50 %).

• Notes

• One dial (primary tuning control knob). Built-in magnetic speaker.

• Price in first year of sale
• 195.00 USD

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Radio Retailing (Radio & Television R.) (ad October 1928 page 26)

• Other Models

• Here you find 31 models, 16 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graybar Electric Co.; New York (NY)