Early Separators Helped the Cream Rise to the Top

Let's Talk Rusty Iron: Early separators were a boon to farm and dairy.

This drawing shows how milk runs into the bowl from the top center. As the discs spin, centrifugal force moves the denser skim milk to the outside and discharges it through the skim milk outlet. The less dense cream is guided by the cone-shaped intermediate discs up and out the cream outlet.