The little yellow strips with the tiny magnet on the end was called a "spoiler". We also used "chevrons" to help make purity. If they didn't have the convergence ring with the adjustable tabs, there was a magnetic ring that was tie strapped to the neck that was set with a computer and could not be adjusted. Most all large rectangular tubes will have pincushion or convergence issues on the outer edge esp when they age.
Watch these videos:
http://www.youtube.com/watch?v=421_3KY8oaU
http://www.youtube.com/watch?v=QYB1L...eature=related
http://www.youtube.com/watch?v=5NwMP...eature=related
http://www.youtube.com/watch?v=0iEl-...e=more_related
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julian
Last edited by julianburke; 03-30-2011 at 09:03 PM.
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