Alcard of Medals, ^-c, at Killurn. 695 
in this direction. Messrs. Barett and Exall, of Reading, now 
the Reading Iron W orks Co., Limited, brought out a machine 
more than a quarter of a century ago, but neither this nor any 
subsequent invention has proved quite successful, inasmuch as 
the juice from the gorse had a tendency to clog the rollers 
through which the gorse has to pass in order to be pulped. This 
is prevented in McKenzie's invention by a series of scrapers hung 
upon a bar under the masticating rollers, and held to their work 
on the smooth surface of the rollers by an adjustable rocking- 
Fig. 2. — Front view of McKenzie's Gorse Mill. 
bar. The machine, as will be gathered from the illustration 
(Fig. 2), resembles an ordinary chaff-cutter with the mouth 
covered by a shield. The gorse is fed in by means of a feeding- 
box and feed-rollers, and is brought up to the face of the box, 
which is made of steel ; against this face revolves the cutting 
apparatus, which comprises two knives curved and fastened to 
two wheels, 6J in. diameter, on the shaft. The steel face plate 
