[time-nuts] time-nuts Digest, Vol 69, Issue 31
jfor at quik.com
Wed Apr 14 16:52:37 UTC 2010
Some color CRTs have "purity" magnets. Is it possible those shifted in the
> Bob Camp wrote:
>> I've found that in some cases you need to run multiple passes over
>> days to degauss a badly mag'd monitor. I'm sure that at some point they
>> indeed become "irreversible". So far I haven't found one that a hula
>> sized coil won't eventually fix.
> Sadly, I have. I used a large degaussing coil that could be passed over
> entire monitor, a smaller bulk tape demagnetizer, and the internal
> coil. I could never get rid of the rainbow fringe around the outside of
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