Found an old Relco Frontiersman on ebay that was actually working,like I had back in 1969 so I decided to compare it to my Fisher F5.
Put a fresh 9 volt in the Relco set the threshold, and tested 3 coins. got my F5 and put the gain on 50% and ground balanced to the air. Tested the same three coins.
https://youtu.be/8onDZ9RCOnY
Robbie
author of "Find More Silver Coinshooting Parks and Schools" by Robbie Morin
contributor to- Camp Logan: Houston, Texas 1917-1919-by Louis Aulbach, Linda Gorski and Robbie Morin
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Fisher F5 & F70 & Garrett Pro Pointer
2005-2015 clad total--$2,631.68
That Relco may not match the performance of your Fisher but not it's bad for a 50 year old machine. Though I am pretty sure that threshold hum will cause brain damage after a while.
Oldest find: 5,000 year old copper spearhead
Oldest coin: 1699 William III halfpenny
Purdiest coin: 1832 Capped Bust quarter
Coolest find: USA button with blue threads still on shank
"He who would search for pearls must dive below."
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