Top View Tubes Top-view tubes GR-43091 The GR-43091 is a symbol tube made by Rodan-Okaya of Japan. It has the letters A through J GR-B The Rodan GR-B is an unusual nixie tube. It displays the numbers 0 through 10. HB-106 The HB-106 was the first ever branded Nixie tube, made at the Haydu Brothers factory, which was owned by Burroughs. IN-4 A medium sized Nixie tube made by Gazotron LC-513 Dolam LC-513 nixie tube NL8091 The NL8091 is a large top-view nixie tube made by National of the USA SZ-8 The SZ-8 was made by several chinese producers. This one was made by Universe. Unknown 1 This is an unknown Rodan tube that just has the characters 'A' and 'R' in it. It uses the same envelope as the GR-201 ZM1020 The ZM1020 is a top-view Nixie tube with a red coating to increase contrast. This one was made by Telefunken. It is one of many tube types with a B13B base. « ‹ of 2 › »