1996 - 2016
BSEE - KB3UON
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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.
My Hobby Website:
October 1935 Radio-Craft[Table of Contents]
People old and young enjoy waxing nostalgic about and learning some of the history of early electronics. Radio-Craft was published from 1929 through 1953. All copyrights are hereby acknowledged. See all articles from Radio-Craft.
|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|
Posted October 26, 2015