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Joined: May 2002
Posts: 17,722 Likes: 18
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Member
Joined: May 2002
Posts: 17,722 Likes: 18 |
Look up "Polarity Guard". I've used match books to clean the contacts when I didn't have a burnisher. You might be able to fine a solid state dial which would have a built in polarity guard.
Retired phone dude
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