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Yesterday I noticed that the 2nd from right nixie tube in my clock wasn't looking like the others, I couldn't put my finger on it, but today it definately looks much pinker and some of the digits aren't fully formed. 
My nixie clock recently took a roadtrip. It didn't travel far, but I suspect that the travel may have caused a very slight leak in this tube, allowing some oxygen in and some of the neon out. I would guess that the drop-outs on the numbers, as well as the pinkish colour, are caused by oxidation of the cathodes. These are Russian made IN-14 tubes. Any ideas? Email me your thoughts - sascha at oflittleinterest.com I can replace this tube, but it's only been running for a month. I would like to know what happened, so I can stop it happening again! |
