OF METALLIFEROUS VEINS IN THE MINES OF CORNWALL. 
413 
Transverse sections of parallel Lodes connected by the Wires, from Fig. 19. to Fig. 26. 
Poldice Mine. IIuel Leisure. 
Tin Lode. Old Ore Lode (copper). Copper Lodes. 
Fig. 19 # . Fig. 20. 
mm 
SOUTH. 
Huel Prosper. 
Copper Lode. Lead Lode. 
Fig. 21. 
13 fD. 
Tresavean Mine. 
Fig. 22. 
60 fD. 
positive, negative. 
a with r 
a — s more strongly. 
r — s 
Fig. 23. 
IIuel Unity. 
Copper Lodes. 
Fig. 24*. 
96 fD. 
positive, negative. 
c with a slight action 
n — c stronger 
n — a ditto 
positive, negative. 
o with r very slight action 
e — r more 
r - 
* The parts above the bends or angles in the veins or lodes are intended to represent the horizontal 
directions in perspective. The parts under the angles show their underlie. 
