The Eimac X-8 triode of July, 1942, one of the Umpteen proto-types that led to the 527 power tube.
In this issue
- Another Weird Tube: The “Mini- Loktal”
- A Tale of Two Camera Tubes
- Eimac’s Wartime Serial Numbers
- Weird Tube of the Month – The A4444
- Slitting Bases in the Old Days
- Signal Corps Tubes – A 1931 View
- RCA Radiotron Sales Manual
- The Triad Type 30 Special
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