Have you ever seen a triode vacuum tube made by hand? Visit this web page and scroll down to the 17 minute video of the process.
On a related theme, you might like the hand made cathode ray tubes shown here. A short video of one in operation is shown here.
Thursday, January 31, 2008
Monday, January 14, 2008
Storm Spotters in Missouri
WA0SAP advised that this article discusses the storm spotting activities of radio amateurs near Springfield, MO during the January tornado outbreak. The article is titled "Risking all to warn others".
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