• Country
• United States of America (USA)

• Manufacturer / Brand
• General Radio Company; Cambridge (MA)

• Year
• 1943 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 322822

• • alternative name: GenRad

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

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Vacuum Tube Bridge 561C - General Radio Company;

• Notes

• This unit can detect mutual conductance, amplification factor and internal resistance of vacuum tubes existing in this period.
  It can be powered by an external source for tube filament and plate voltages.

• Literature/Schematics (1)
• Guida Pratica del Radioriparatore E. Costa 3a edizione 1943

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 241 models, 212 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Radio Company; Cambridge (MA)