• Country
• United States of America (USA)

• Manufacturer / Brand
• Sterling Manuf. Co.; Cleveland, Ohio

• Year
• 1927

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 102770

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

• Wave bands
• - without

• Power type and voltage
• Line / Batteries (any type) / 6 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Test Set R-412 - Sterling Manuf. Co.; Cleveland

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

• Dimensions (WHD)
• 7.25 x 3.5 x 6.5 inch / 184 x 89 x 165 mm

• Notes
• Universal tube and Service test set.

• Price in first year of sale
• 25.00 $

• Circuit diagram reference
• Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

• Mentioned in
• Rider's 2-3

• Literature/Schematics (1)
• Chicago Salvage Stock Store catalogue, 1928?

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 60 models, 37 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sterling Manuf. Co.; Cleveland, Ohio