Alfa-Laval cream separator, 1938.
4 0 c m
actual image size: 22cm x 32cm

Alfa-Laval cream separator, 1938.

© Science Museum / Science & Society Picture Library


Sectioned model. Cream separators work by spinning the milk very rapidly, so that the heavier part of the milk is spun away from the centre with a greater force than the cream, which is les dense. The two parts can therefore be separated. A similar kind of centrifuge is used in laboratories to separate the heavier red cells from the lighter plasma in blood.

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