Nixie Tubes: my favorite clock featuring the retro orange glow of neon excitation within these Nixie cold cathode tubes- The “Numeric Indicator eXperimental 1” or NIX 1 was introduced in 1955 by Burroughs Corporation and manufactured until the 1990s. The beautiful clock shown here uses modern electronics to power Russian versions called the ИH-14A where the numbers are stacked so the front symbols obscure each lighted cathode minimally: from back to front 1320984756. Given the shapes of the nume