• Country
• United States of America (USA)

• Manufacturer / Brand
• Clough-Brengle Co., Chicago (IL)

• Year
• 1938/1939

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 205678

• Number of Tubes
• 6

• Valves / Tubes
• 6C5G 6C5G 6C5G 37 6E5 6X5

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Beat Frequency Audio Oscillator 79C [with VERNI-VIDER Dial] - Clough-Brengle Co., Chicago IL

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 13 x 9.25 x 9 inch / 330 x 235 x 229 mm

• Notes
• Unit has a single band <50 Hz to >15 kHz (50 Hz and 15 kHz labeled on the dial but unidentified notches below the 50 Hz marking and above the 15 kHz marking).

• Net weight (2.2 lb = 1 kg)
• 16 lb (16 lb 0 oz) / 7.264 kg

• Price in first year of sale
• 60.00 USD

• Mentioned in
• Radio Shack Catalog (1939, page 20)

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

• Other Models

• Here you find 45 models, 42 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Clough-Brengle Co., Chicago (IL)