In 1882, Swedish engineer and inventor Dr. Gustaf de Laval developed the first centrifugal separator making it possible to separate cream from milk faster and less cumbersome, without having to let ...

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AKRON, Iowa - Marilyn Radtke need not travel far for a beautiful reminder of her late husband Wayne. "These are marigolds in the McCormick cream separator," says Radtke, standing in her manicured lawn ...

Special to The New York Times. TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...