Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 41
an also be measuredin terms of the twist in the wire. The forces acting on theneedle, PP\ in Fig. 22, when deflected from the meridian 22 Electricity. [Book I. MM will be two equal and opposite forces, whose magni-tude we will call F, acting parallel to MM. The effect ofsuch a pair of forces in…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
