Steampunk on Etsy, a global handmade and vintage marketplace. Stirling Engines. By Roger Wood. Timepieces - Retro Thing. E.
Barbour writes, "Former Philips engineer Ronald Dekker is famous for his website full of unusual construction projects. He now has built a digital clock that uses Dekatron (or decatron) tubes as displays. " Decatrons feature a ring of cathodes driven by a control voltage.