• Country
• United States of America (USA)

• Manufacturer / Brand
• Readrite Meter Works; Bluffton (OH)

• Year
• 1936 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 156358

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

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tube Tester 431 - Readrite Meter Works; Bluffton

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 8 x 7 x 8.5 inch / 203 x 178 x 216 mm

• Notes

• Readrite tube checker, model 431, has an approved emission circuit.

• Price in first year of sale
• 16.00 USD

• Source of data
• - - Manufacturers Literature

• Literature/Schematics (1)
• Radio Shack Catalog (1939, page 24)

• Other Models

• Here you find 45 models, 35 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Readrite Meter Works; Bluffton (OH)