This go-to manual is filled with practical facts that will allow you to make the right option so you can begin digging your very individual gold. For other kinds of detectors, see our comprehensive information to the most effective metal detectors. The two primary coils are linked to an oscillator http://illuminandi.phorum.pl/viewtopic.php?p=577655&sid=61cabf70cad60e3ead7e73f93f56e5d4#577655