Manufacturer: White's It is best to make sure that they are well in place and are functioning well. The 20 kHz frequency is more sensitive, perfect for finding small nuggets and general detecting. Not noticing makes it more likely that you might add to the child's burdens, and these children already carry a heavy load. They love the Colonial coins, and they spend a lot of time doing research too. This is to preserve the mint mark and the date on the coins. Most metal detectors sold today have discrimination features that help you bypass junk like nails, tin foil, bottlecaps and pulltabs. Several companies have developed metal detectors specifically optimized to find nuggets.
< BACK