Cranz.| Prospecting, Mining and Milling Machinery. 293 
terial. This will be repeated until a clean, marketable prod- 
uct results. Hand buddles and Wilfley tables often follow 
the round buddles, either one of which, but especially the 
latter, makes an excellent finishing apparatus. 
The theory of the square and round buddles, together with 
the other forms of slime-washing apparatus, will be discussed 
under another head. 
2, ~ A 
RR SR NI IN SSS. 
4 
N, 
H 
SY 
SS 
SS 
SSS > 
Fig. '70. Convex buddle (plan and vertical section), showing arrangement of parts and method 
of building up bed. 
