• Country
• United States of America (USA)

• Manufacturer / Brand
• Beckman Instruments, Shasta, Shockley; Richmond (CA)

• Year
• 1957

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 131777

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 2

• Valves / Tubes
• 931_Beckman or 930_Beckman 932_Beckman

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: pH-Meter Type G - Beckman Instruments, Shasta,

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• Early pH-meter.

• Source of data
• - - Data from my own collection

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Uwe Mocker. See "Data change" for further contributors.

• Other Models

• Here you find 51 models, 43 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Beckman Instruments, Shasta, Shockley; Richmond (CA)