Nixie Tubes (2015)
(danyk.cz)
Nixie tube is a cold cathode lamp filled with gas (typically neon with some argon at a low pressure, mercury is sometimes added for longer life). It is used for displaying numbers or other symbols.
Nixie tube is a cold cathode lamp filled with gas (typically neon with some argon at a low pressure, mercury is sometimes added for longer life). It is used for displaying numbers or other symbols.