• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Products Company, The (Dayrad); Dayton, OH

• Year
• 1931 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 192393

• Wave bands
• - without

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Dayrad Radio Set Tester Series 58 - Radio Products Company, The

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 305 x 290 x 140 mm / 12 x 11.4 x 5.5 inch

• Notes
• It is a in-circuit set tester suitable for 4, 5, 6, 7 & 8-pin (octal) vacuum tubes. It also has multimeter capability (VA, AC-DC & Ohms). The plug has 5 adapters, so it can be connected to radio with all the above sockets.

• Source of data
• - - Data from my own collection

• Author
• Model page created by Antonio Marra. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 8 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Products Company, The (Dayrad); Dayton, OH