Month: March 2017

My Nixie Addiction

That which came second

The Spectrum Clock I wanted to build something using larger tubes. I chose the IN-18 tubes (originally made in The Ukraine by Gazotron) which have a digit height of around 40mm. Some ebay research resulted in a package being delivered from The Ukraine. The Spectrum build is actually simpler than the QTC, resistor networks help…
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March 22, 2017 0

That which came first

The QTC Clock After researching the various tube types and options, I settled on a kit featuring with ZM1210 tubes. The ZM1210’s were manufactured by Telefunken in Germany and come with a nice red coating (which can be removed if desired). This is a really nice kit which will support a variety of different tube…
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March 17, 2017 0