• Country
• United States of America (USA)

• Manufacturer / Brand
• Triumph Manufacturing Co.; Chicago, IL

• Year
• 1943 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 206558

• Number of Tubes
• 6

• Valves / Tubes
• 6AC7 6AC7 884 6X5 2X2 3BP1

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Oscillograph 841 - Triumph Manufacturing Co.;

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 7.5 x 11.125 x 14.5 inch / 191 x 283 x 368 mm

• Notes

• Early, minimal component oscilloscope (oscillograph).

  US Navy model version was the OBL-3.

• Net weight (2.2 lb = 1 kg)
• 23 lb (23 lb 0 oz) / 10.442 kg

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

• Author
• Model page created by Hank Kaczmarski. See "Data change" for further contributors.

• Other Models

• Here you find 16 models, 16 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Triumph Manufacturing Co.; Chicago, IL