An Eimac 8351/4CV100,000 vapor-cooled tetrode, of the type used in one of the Collins 250-kW transmitters, now removed, at the Voice of America transmitting site outside Delano, California. It is accompanied by its much smaller vcousin, a mere 4-1000.
In this issue
- A Brief History of Kinescope-Making in Brazil
- Testing 7550/KT88 Vacuum Tubes from England – Russia – China in a McIntosh MC-60 Amplifier
- Ben Tongue – Obituary
- Weird Tube (or Rare) of the Month: The Eimac 4-750A
- Vapor-Cooled Power Tubes
- Vacuum-Tube Amplifiers
- Reference Index – Eimac Tubes in the Amatuer Service
- Radiactivity in Tubes
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