Hi AJ,
No, also my tubes show this phenomenon. Here you can see it a little bit:
http://www.tube-tester.com/sites/nixie/different/e1t-clock/e1t-h-front-det.jpg
But: New tubes glow brighter, and the brightness difference to the offshoots
is larger.
With a good camera, and a proper lighting you nearly can see nothing.
With a bad camera and bad light, you see the lines much more.
Note that I have NOT "photoshopped" the pictures.
They come straight out of my camera(s), and there is no manipulation at the
pictures.
So there is nothing that can be done against it.
Dieter
Beautiful project!
I seem to remember some discussion long ago about a certain anomaly
that is common to the E1T tubes: the display positions for the digits
immediately preceding and following the selected digit will sometimes
glow dimly. Your photos do not appear to show this phenomenon. How did
you overcome it? Is it simply a matter of selecting the best tubes, or
can changes be made to circuit parameters to minimize the glow
spillage? Or is it perhaps a matter of the lighting in your images,
that the phenomenon is present but simply not visible?
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