Metal detector

wolram

This is a tresure hunting MD, the design needs a way of discriminating from ferrous, none ferrous objects, and minerals in the ground, what are the limits
of such a machine ?

Astronuc

That depends on the field strength and frequency.

Try this - http://www.fastecservices.com/metal_d.htm

or

http://www.mech.uwa.edu.au/jpt/demin...ntro/text.html