Bible Encyclopedias
Pneumatics
1911 Encyclopedia Britannica
(Gr. 7rvevµa, wind, air), the branch of physical science concerned with the properties of gases and vapours (see Gns). A pneumatic trough is simply a basin containing water or some other liquid used for collecting gases.
Copyright Statement
These files are public domain.
Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Pneumatics'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/p/pneumatics.html. 1910.