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Tuesday, May 11, 2021

CONTINUITY: Bright Lights: The Story of Neon Signs

Geissler tubes filled with various gases that fluoresce when electrified were popular novelties in the 19th century, often made in whimsical shapes. If you have a Tesla coil, you really ought to have a few Geissler tubes which will light up in its vicinity without a wired connection. You can find them on eBay.

Posted at May 11, 2021 08:55