696 
Report on the Exhibition of Implements, 
is adjustable, and is arranged with a slight upward pitch. The 
material as cut by the knives falls upon the masticating rollers. 
These comprise a series of serrated discs, No. 11 wire gauge, 
with saw teeth alternating with plain surfaces, the discs being 
about J in. larger diameter than the plain surfaces. The discs 
of one roller revolve close to the plain surfaces of the other, i.e. 
within about the ^Vnd of an inch. 
Fig. 3. — Side view of McKenzie's Gorse Mill, sliomng gearing. 
