OK... I think I know what I want to do. A clock! Go figure...
Probably just hours and minutes with the 7011 tubes as hours and smaller
tubes such as Z5600M or B-6091 for minutes.
As Paul A. suggests above, with hours on the 7011 tubes, only 05:xx and
06:xx are missing digits. I'd include a smaller IN-17 or such tucked in to
the side of the one 7011 to fill in the missing 5 and 6 digits. The IN-17
would only light when the big tube is missing a necessary 5 or 6. Have to
make a physical model of this and see how it would look... A friend points
out that too many tube types just makes a visual mess. Too much size
variation also not so good.
With the available digits, hours will display as: *1, 2, 3, 4, *5*, *6*,
7, 8, 9, 10, 11, 12*
*12* : *37 All good digits.*
*5**: 40 Leading zero suppression, 5 missing and filled in by the
IN-17.*
Might be pretty nice! Would likely use plex for the clock housing so that
the bodies of the 7011 tubes are visible complete with masking tape and
grease pencil(?)... Did I mention that there's a small bit of grease pencil
on the inside front of one tube. These *have *to be prototypes.
I've attached a file showing an IN-17 tucked in beside a 7011. IN-17 may be
too small. So, onward with sketches... this post just suggests my general
direction and I expect the idea to evolve for a fair while before any
material is cut.
Many thanks everyone for your ideas on how to recover the missing digits!
Best regards,
Bob
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