... Machine except that this one uses Panaplex style ZM1350 neon displays. Essentially, they are flat versions of the B971 and can be used as a replacement with no electrical changes needed.
Basically, ...
... that he was not going to get the device and so he decided to engineer his own version. In fact, he made two versions – a B7971 version (that also supports the planar neon ZM1350 tubes) as well as a smaller ...
... clock design and he had to design his own. The entire device is surface mount components and supports either B7971 of the flat ZM1350 style tubes. The kits is $100 or pre-built (without tubes) for $120. ...