• Country
• United States of America (USA)

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

• Year
• 1943 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 322818

• • alternative name: GenRad

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

• Number of Tubes
• 2

• Valves / Tubes
• 85 1-V

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Megohmeter 487A - General Radio Company;

• Notes

• Range 20,000 Ω to 50,000 MΩ in 4 steps.

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

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

• Other Models

• Here you find 238 models, 212 with images and 128 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Radio Company; Cambridge (MA)