Fig. 41.—Wright’s Small Paint Mill.
This firm are also the manufacturers of Clark’s patent paint mill, illustrated in [Fig. 44]. This mill differs from the ordinary mills in having five instead of three rollers. The material is fed in between the two uppermost rollers, being prevented from spreading too much by means of wooden cheeks shaped so as to fit between the rollers and form a kind of hopper in which the material to be ground is placed. From these two rollers it passes to a third and
Fig. 42.—Liquid-paint Mixer.
fourth placed below, and receives a final grind from the fifth roller in front of the machine, from which it is delivered to the spout as shown. The rollers are all of granite turned truly cylindrical. They are 15 inches in diameter and are mounted on strong steel spindles. These spindles run on bearings working in guides, by means of which the distance
Fig. 43.—Single Pug Mill.