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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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October 1935 Radio-Craft
Table of Contents

October 1935 Radio-Craft

[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Radio-Craft, published 1929 - 1953. All copyrights are hereby acknowledged.

October 1935

Vol. VII, No. 4

Metal Radio Tubes: An Editorial, by Hugo Gernsback	197
An Inside Story About Metal Tubes, by R. D. Washburne	202
An 18 Metal-Tube All-Wave Superhet, by W. A. Smith	208
Metal vs. Glass Radio Tubes, by Albert A. Bombe	214
Glass-"Metal" Tube Shield	217
The "Neon" Interference Problem, by J. Albert Lynch	219
Characteristics of Metal Tubes - and Other "Octal" (8-Prong) Base Types	228
Fada 9 Tube Model 190 "Metal" All-Wave Receiver Radio Data Service Sheet	230

Posted October 26, 2015

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October 1935 Radio-CraftTable of Contents

October 1935 Radio-Craft
Table of Contents