Quote:
Originally Posted by dieseljeep
I have, what I think is good, a 21FP4 which is an electrostatic focus tube. Looks the same with the cylindrical faceplate. It's a rebuilt and I don't think it has many hours of use. I have to check it first and see if it's worthwhile.
All you have to do is remove the PM focus unit.
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The CRT checks out perfectly!
I'll PM you soon with the cost of the tube and the shipping.
