• Country
• United States of America (USA)

• Manufacturer / Brand
• Browning Laboratories Inc.; USA

• Year
• 1960 ??

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 119999

• Number of Tubes
• 5

• Valves / Tubes
• 12SK7 12SK7 12SA7 70L7 6N5

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• AC/DC-set / 115 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Visual Frequency Monitor BL-FM [M3] - Browning Laboratories Inc.;

• Shape
• Tablemodel, with any shape - general.

• Notes
• 100 kHz and 1.000 kHz oscillator unit to check frequency accuracy of ham radio equipment with the harmonics up to 22 Mhz.

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 55 models, 43 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Browning Laboratories Inc.; USA