Width & Focus in DuMont RA-103 - Videokarma.org TV - Video

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Width & Focus in DuMont RA-103

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#17

10-27-2009, 03:17 PM

jr_tech

VideoKarma Member

Join Date: Sep 2009

Posts: 4,573

So shouldn't a 12LP4 gun (slashed field ion trap) really have a two pole magnet?

jr

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