with decimal points These numeric tubes all have decimal points too. B54370A The B54370A seems to be a variation of the B5441A - it has a comma in place of one of the decimal points, probably for use in displaying thousands. CD66A The CD66A is a medium sized nixie tube made by the Japanese company NEC CD80P The CD80P is a small nixie tube made by Hitachi of Japan. GN-4P This version of the GN-4 has a red-coating and a decimal point on the left and was manufactured by Lorenz SEL. IN-16 The IN-16 is a small nixie tube made by Gazotron in the former USSR. LC-531 The LC531 is a medium sized nixie tube made by Unitra-Dolam of Poland. It has two decimal points in addition to the numbers 0-9. NL5441A A smooth-topped version of the B5441/NL5441. This became very popular when a few Divergence Meters were built using this tube. ZM1080T The ZM1080T is a medium sized nixie tube made by Tesla in the former Czechoslovakia ZM1175 The ZM1175 is a medium size Nixie tube made by Mullard of England. It is distinctive for its a node grid being made of horizontal wires. ZM1212 The ZM1212 from Telefunken is a medium-sized side-view nixie tube. The anode is made up of very fine horizontal wires, which lends it a very distinctive appearance.