December 28, 2009 AT 11:09 am


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Jason von Nieda’s vacuum tube clock based on our Ice Tube Clock kit!. Design files and build information available at

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  1. I’ll give you $10 if you try to go through the airport with that.

  2. Just wanted to drop a line and let you know that I am now selling a single one of these clocks. It will be the only one sold. It’s up for auction on eBay at


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