6-digit Nixie clock synchronized by GPS, adjustable to all time zones

This Precise Nixie Clock from Elektor synced by GPS displays the time on six nixie tubes and comes with a very finely laser engraved transparent acrylic glass enclosing, with brass tubes and blue back light. The new design uses IN-12 nixies. If you wish to use other types of nixie tubes, it is easy to assemble your own display on veroboard.