In this issue

• TCA Tube Conference, Nov. 3
• Revisiting the 4-250A
• Experiences with the 416C Tube at Eimac/Varien
• Tektronix CRT History – Part6, CRTs Solid-State Instruments: 1964-1967
• Mr. Laughton Windus and the Art of Valve Reconstruction
• Du Mont “House Numbered” Tubes
• Birth of a Star – The 2A3
• RCA and Marine Tube Sales
• Weird Tube of the Month – The 6DK3