• Country
• United States of America (USA)

• Manufacturer / Brand
• Graymark Educational Products, Inc. Los Angeles, CA

• Year
• 1970 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 309131

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Solar- and/or muscle driven, also addl. power jack possible

• Loudspeaker
• - only for Earphone!

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Solar Tone Sun Powered Radio 518 - Graymark Educational Products,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

Construction and operation manual.

3973 KB

• Documents regarding this model

• Author
• Model page created by Aldo Andreani. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 6 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graymark Educational Products, Inc. Los Angeles, CA