Qfissler
Failed C714
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typos/flow
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Peter
no edit summary
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Kurt
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Uscgaux
Undo revision 54887 by Uscgaux (talk)
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Created page with "The 221 has a switching power supply. It has a transformer couple trigger circuit which produces a Dc level base trigger.It gets fried when the batter gets so old they draw t..."
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