Thomson, J. J. (Joseph John), Sir, 1856-1940 · New Haven Yale University Press · leaf 51
one bywhich we may illustrate the fact that the boundmass is proportional to the square of the numberof Faraday tubes per unit volume. Suppose we have a cylhidrical vortex column ofstrength m placed in a mass of liquid whose ve-locity, if not disturbed by the vortex column, would 40 ELECTRICITY AND… … Fig. 11. column whose axis is supposed to be at right an-gles to the plane of the paper. We see that someof these lines in the neighborhood of the columnare closed curves. Since the liquid does not crossthe lines of flow, the liquid inside a closed curvewill always remain in the neighborhood of the…
