Mullard E1T Decade counter
Items will be despatched using the selected carrier within 2 business days (sometimes sooner).
Returns are accepted within 7 days of receipt unless otherwise stated on the item.
One of many technologies that predates Nixie tubes, these tiny CRT-like decade counter tubes toggle the position of a brightly lit blue/green rectangle from one digit to the next with a serial pulse input. They were used in some early lab counters, and are visually very attractive when lit.