• Country
• Japan

• Manufacturer / Brand
• Panasonic, Matsushita, National ナショナル (also tubes); Osaka

• Year
• 1960 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 151457

• Wave bands
• - without

• Power type and voltage
• Is a battery or storage battery / 1.35 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: National Mercury Battery H-Ya - Panasonic, Matsushita,

• Notes
• 1.35 V Mercury cell, size D. Equivalent to RM-42R

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 3049 models, 2826 with images and 632 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Panasonic, Matsushita, National ナショナル (also tubes); Osaka