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<img style="max-width:100%;height:auto;" src="https://scontent.xx.fbcdn.net/v/t1.0-9/47395143_10156910728860127_165606826467917824_n.jpg?_nc_cat=102&_nc_ht=scontent.xx&oh=996fe93225a69cfe05a900c2e3d1241a&oe=5C6AE3AC"><br><br>Yet another of the many failed designs from Federal Telephone's R&D lab. It was intended to compete with the dekatron but was more difficult to manufacture. And they patented it anyway. Haw haw haw.
<a href="http://lampes-et-tubes.info/sp/sp187.php?l=e" target="_blank">http://lampes-et-tubes.info/sp/sp187.php?l=e</a><br>(Posted on 2018-12-02 23:20:08 by <b>Metasonix</b>)
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