This a Nixie clock that uses IN-14 tubes and very generic, cheap, available through-hole parts so that it may be easily sourced in the future. This material is copyrighted by Daniel Marks (KW4TI) and licensed under the Creative Commons License CC-BY-SA 4.0. The software is licensed under the zlib license. These are open source licenses that permit commercial use, modification and redistribution with attribution, and require licensees to assume all risk for using the copyrighted materials.