Nel 15×17 BIG

Does a coil have a booster inside or not? Only the good old X-ray can give the most accurate answer to this question. How exciting it is to look at these radiographs! Some manufacturers don’t even try to solder the wires inside the coil –…

Here’s a metal detector with a two-handled shaft… I’ve never seen such a thing. This solution can be applied when hunting with heavy machines (coils) or during prolonged searches – so that the arm doesn’t get tired. But…