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1. Collins Radio NASA Nixie Tube Clock Time Counter VTG: (On eBay); ... working good. It was owned and used by NASA and it was made by IRA systems and it says Reversible Time Clock model 748 on the front. We've also taken pics of the inside to show that it's in great condition. ...; Created on 16 July 2010
2. NASA Nixie Tube Clock Time Counter Display 8x B-5441: (On eBay); ... working good. It was owned and used by NASA and it was made by IRA systems and it says Reversible Time Clock model 748 on the front. We've also taken pics of the inside to show that it's in great condition. ...; Created on 14 July 2010
3. Top Search Terms: (News); I did an experiment and I wanted to share the results. Below are the top 100 search terms for this site. Some of them are more obvious (nixie tubes..) and some were not (16 tube...) I'm not sure what ...; Created on 17 August 2010