• Country
• Great Britain (UK)

• Manufacturer / Brand
• BTH (B.T.H.), British Thomson-Houston Co, Ltd.

• Year
• 1923

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 329889

• Number of Tubes
• 1

• Valves / Tubes

• Wave bands
• - without

• Details
• Power: Charger for A-Batteries

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Tungar Battery Charger [2 Ampere] - BTH B.T.H., British Thomson-

• Shape
• Tablemodel, with any shape - general.

• Mentioned in
• Wireless World (The), London (WW, 79) (The Wireless World and Radio Review, Jan 20 1923, p.542)

• Other Models

• Here you find 40 models, 35 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from BTH (B.T.H.), British Thomson-Houston Co, Ltd.