| MODEL OF DETECTOR |
COIL USED |
DEPTH OF G111 HALFPENNY
High
Conductivity
Test |
DEPTH OF
5 PENCE
low
Conductivity
Test |
DEPTH OF HAMMERED CUT QUARTER
Very Small
Very low conductivity
Test |
Can a
HAMMERED
MEDIEVAL
PENNY
Be detected
Among 20 nails
Iron Test |
Can a
HAMMERED
MEDIEVAL
PENNY
Be detected
Under 3 nails
Iron Test
|
Can a
HAMMERED
MEDIEVAL PENNY
Be detected
Next to a 4'' Bolt
Iron Test
|
