IN14/CD81 Clocks Compared
Mouse over the image below... the CD81 Nixies are in the foreground.
- Made in the the old soviet union (USSR).
- Digit height=18mm. Tube Height=54.5mm including tip.
- Russian quality! Note the 2 is an inverted 5, or visa versa!
- Made in Japan by Hitachi (circa 1954).
- Digit height=12mm. Tube Height=36mm including tip.
- Japanese quality! Although the CD81 tubes are smaller, they are much sharper.
Sphere's Nixie Tube Page has a lot of nixie tube information and data.