THIS book was first published in 1937 under the title “The Low Voltage Cathode Ray Tube”, which was somewhat misleading in view of the fact that it deals with the various forms of cathode ray tube ...
The Blub Uno is at once an old and new technology. The beautiful clock charges via USB and is remote controlled, yet displays time in a Nixie Tube—an old-fashioned cathode tube with neon filaments.
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