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Ad Posted: Monday, March 9, 2026
Ad Expires: Friday, May 8, 2026
User Information:
Posted by:
goldcaver9
User Location:
Ticonderoga, NY
All User Ads:
Status: Active
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Ad Information:
Ad Description:
identify metals- penny in water=+, metal = -, voltmeter. gold = ~ 170 mv or less , alum = ~400 , silver = ~300 , zinc = ~600 , lead = ~500
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