Exhihiied at Whid^or. 
501 
The latter is m<acle to touch, the cream-ring at one point in 
its circumference by turning the handle governing the eccen- 
tric spindle, and can thus be more or less deeply immersed in 
Ficr. 2. — Siveciyt Cream Separator and Butter Extractor. 
the cream. The cage is set revolving by contact with the cream- 
ring, just as a pinion is turned by a wheel ; but it fails to attain 
quite the same speed as its driver, on account of its own inertia. 
Its wires, which pass vertically down from top to bottom of the 
cream-ring, thus create a considerable agitation among the 
superficial layer of fat-globules, and, it is claimed, convert them 
