Editing Centrifuge (section)

== History ==
[[File:19thCentrifuge.JPG|right|thumb|upright=0.9|A 19th-century hand-cranked laboratory centrifuge.]]

English military engineer [[Benjamin Robins]] (1707–1751) invented a whirling arm apparatus to determine [[Drag (physics)|drag]]. In 1864, Antonin Prandtl proposed the idea of a dairy centrifuge to separate cream from milk.<ref>{{Cite web |last=Amanda |date=2022-06-10 |title=History of the Centrifuge |url=https://www.thelabworldgroup.com/blog/history-of-centrifugation/ |access-date=2024-05-10 |website=The Lab World Group |language=en-US}}</ref> The idea was subsequently put into practice by his brother, Alexander Prandtl, who made improvements to his brother's design, and exhibited a working butterfat extraction machine in 1875.<ref>{{cite book|last=Vogel-Prandtl |first=Johanna |title=Ludwig Prandtl: A Biographical Sketch, Remembrances and Documents |translator=V. Vasanta Ram |publisher=The International Centre for Theoretical Physics Trieste, Italy |date=August 14, 2004 |pages=10–11 |url=http://users.ictp.it/~krs/other/Prandtl_Book.pdf |url-status=live |archive-date=2017-10-25 |archive-url=https://web.archive.org/web/20171025143117/http://users.ictp.it/~krs/other/Prandtl_Book.pdf |orig-year=1904}}</ref>