Fundamentals of vacuum
๐
Article
๐
2001
๐
Elsevier Science
๐
English
โ 630 KB
World Pumps traces the development of vacuum and the uses to which it has been put in industry ## HistorJcal developments Until the mid-17th Century, the existence of a vacuum in nature had been a philosophical question, revolving around ancient arguments, which regarded a vacuum as; "abhorrent t