Lectionary Calendar
Saturday, August 2nd, 2025
the Week of Proper 12 / Ordinary 17
the Week of Proper 12 / Ordinary 17
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Bible Encyclopedias
Permeameter
1911 Encyclopedia Britannica
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an instrument for rapidly measuring the permeability of a sample of iron or steel with sufficient accuracy for many commercial purposes. The name was first applied by S. P. Thompson to an apparatus devised by himself in 1890, which indicates the mechanical force required to detach one end of the sample, arranged as the core of a straight electromagnet, from an iron yoke of special form; when this force is known, the permeability can be easily calculated. (See MAGNETISM.)
Copyright Statement
These files are public domain.
These files are public domain.
Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Permeameter'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/p/permeameter.html. 1910.
Chisholm, Hugh, General Editor. Entry for 'Permeameter'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/p/permeameter.html. 1910.
