[CW] OT: The art of making Nixie tubes

Sun Mar 19 11:46:14 EDT 2017

Thank you, very interesting.
73 de David, M0XDF

> On 17 Mar 2017, at 23:11, Radio K0HB <kzerohb at gmail.com> wrote:
> 
> https://m.youtube.com/watch?v=wxL4ElboiuA <https://m.youtube.com/watch?v=wxL4ElboiuA>
> -- 
> 73, de Hans, K0HB
> --

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