• Country
• Australia

• Manufacturer / Brand
• Diamond (brand), Widdis Diamond Dry Cells Pty. Ltd.; Melbourne, VIC

• Year
• 1950 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 313937

• Wave bands
• - without

• Power type and voltage
• 4.5 Volt

• Material
• Various materials

• from Radiomuseum.org
• Model: Diamond 4½ Volt "C" Bias Battery 3761 - Diamond brand, Widdis Diamond

• Dimensions (WHD)
• 4 x 3.6 x 1.4 inch / 102 x 91 x 36 mm

• Notes

• 4½ Volt "C" bias battery.

• Net weight (2.2 lb = 1 kg)
• 0 lb 9 oz (0.563 lb) / 0.255 kg

• Price in first year of sale
• 0.17 AUS £

• Mentioned in
• Mingay's Price Service (May 1954.)

• Literature/Schematics (1)
• -- Original prospect or advert (Radio & Hobbies, Sep 1956, Page 56.)

• Author
• Model page created by Martin Kent. See "Data change" for further contributors.

• Other Models

• Here you find 26 models, 10 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Diamond (brand), Widdis Diamond Dry Cells Pty. Ltd.; Melbourne, VIC