Please don't type in all caps. It's hard to read, and it looks like shouting. You mean a BFO (Beat Frequency Oscillator) metal detector. Like the Theremin's
OK THANKS I HEARD THAT A DEVICE USED TO FIND COINS ON THE BEACH (SORRY I DON T KNOW THE EXACT NAME IN ENGLISH) IS VERY CLOSE TO A THEREMIN CAN ANYONE EXPLAIN
HI D You have signed yourself up for the Yahoogroups list. You can remove yourself Just go to the bottom of the list, there are some links that will help you