Burroughs HB-105

The HB-105 is a so-called Pixie tube manufactured by Burroughs. Unlike a Nixie tube, which forms numerals from a stack of digit-shaped cathodes, the Pixie tube uses a single anode plate perforated with digit-shaped holes, through which a neon discharge can be seen. The tube&rsquo;s datasheet lists its various supposed advantages over Nixie tubes which included the ability to display multiple…