Gold Mines of Georgia. 



15 



At Fig. 19, we have represented another machine. It consist of 

 an inclined plane and box c, with bars across. Half of the plane at 

 the upper end is solid and lined with stout sheet iron ; auriferous gravel 

 is there manipulated by a man and rake, and when sufficiently done, 

 it is allowed to descend to the lower end of the plane, which is per- 

 forated and the gold, &;c. thus passes into the box c, while the gravel 

 is thrown out at d. If this machine is cleared, two or three times a 

 day, it answers very well, but when neglected and the bars get filled 

 up and clogged, it loses the light particles ; the process is closed with 

 the pans in this machine, like the former. 



Fig. 20, appears to be an attempt to improve the gum by adding 

 the inclined plane ; a is a rectangular drawer instead of the gum or 



