• Country
• Great Britain (UK)

• Manufacturer / Brand
• Doran Instrument Company Ltd.; Gloucester.

• Year
• 1959 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 338401

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: pH Meter/Indicator 400 - Doran Instrument Company Ltd.;

• Shape
• Tablemodel, with any shape - general.

• Mentioned in
• -- Collector info (Sammler)

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Doran Instrument Company Ltd.; Gloucester.