Thanks Paul and Martin-

Sounds like I need to rethink this.  I ordered a sealed box of new IN-28 
from Ukraine today.  I'm sure I'll have some extras if anyone needs them.  
I got them to replace any tubes in mine that don't look right or are bad.  
I'll take some pictures of my boards and post.  Hopefully you can help me 
identify.  If they really have the digits pre wired so they work more like 
a Nixie tube digit that makes for much less control lines but would also 
mean less effects we could do with tubes.  There won't be any counter 
flashing digits every other tube or snaking light though the digit 
effects... Stuff like that.  This would also mean one line would need to 
support the digit 8 all tubes turned on which would be much more current.  
I bought two power supplies today.  They're VWR AccuPower Model 500:
Features of the VWR AccuPower Model 500 Electrophoresis Power Supply 
include:

- Voltage range 10-500V with 1V steps
- Current range: 0.02-2A 0.02A steps
- Microprocessor control
- Fully regulated output of constant current and voltage
- Automatic crossover from voltage to current
- No-load detection

Bill

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