The mathematical theory of electricity and magnetism (1911)
Jeans, James Hopwood, Sir, 1877-1946 · Cambridge [Eng.] : University Press · leaf 71
done to themain buildings by the electrical discharge. An application of the same principle will explain the danger to a humanbeing or animal of standing in the open air in the presence of a thunder cloud,or of standing under an isolated tree. The upward point, whether the headof man or animal, or… … Fig. 26. 72. The property of lines of force of clustering together in this way isutilised also in the manufacture of electrical instruments. A cage of wire is
Electricity · Magnetism
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