• Country
• United States of America (USA)

• Manufacturer / Brand
• Triplett Electrical Instrument Co.; Bluffton (OH)

• Year
• 1936 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 63660

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

• Number of Tubes
• 1

• Valves / Tubes
• 25Z5

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

• from Radiomuseum.org
• Model: Tester 1502 - Triplett Electrical Instrument

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 7 = 1936 and before

• Other Models

• Here you find 139 models, 132 with images and 50 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Triplett Electrical Instrument Co.; Bluffton (OH)