• Country
• United States of America (USA)

• Manufacturer / Brand
• Mallory, P.R. & Co.; Indianapolis, IN

• Year
• 1990 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 286687

• Wave bands
• - without

• Power type and voltage
• Is a battery or storage battery / 9 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: High Technology - 9 Volt Transistor Battery 6F22M - Mallory, P.R. & Co.;

• Dimensions (WHD)
• 20 x 42 x 16 mm / 0.8 x 1.7 x 0.6 inch

• Notes

• MALLORY mod. 6F22M - 9 volt

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Author
• Model page created by Edoardo Sigismondo. See "Data change" for further contributors.

• Other Models

• Here you find 35 models, 26 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mallory, P.R. & Co.; Indianapolis, IN