The three circuits: a study of the primary forces . mises that thethird circuit of magnetic force springs from a combi-nation or rather a contest of the first and second cir-cuits and that it manifests itself to usin natural phenomena. Molecular vibrations (even when nolight is produced) may be safely statedto be at the rate of one hundred trillionreversals a second. This is practicallya continuous current of rectilineal forceflowing north and south at the sametime. This is the first circuit of mag-netic force. There is also at the same time a Short file of continuous current of force springin
The three circuits: a study of the primary forces . mises that thethird circuit of magnetic force springs from a combi-nation or rather a contest of the first and second cir-cuits and that it manifests itself to usin natural phenomena. Molecular vibrations (even when nolight is produced) may be safely statedto be at the rate of one hundred trillionreversals a second. This is practicallya continuous current of rectilineal forceflowing north and south at the sametime. This is the first circuit of mag-netic force. There is also at the same time a Short file of continuous current of force springingmolecules, in- ,. , . ,. . ternal view outwardly and inwardly at the moie- Kapid vibra- cular joints; (and of course a similarcurrent at the magnetic poles of theearth?) This is the second circuit. The sphericalexpansion and contraction arising from the forces re-ferred to is the third circuit. It is as you will realize the inconceivable ra-pidity of magnetic reversal that leads the telegraphoperator to suppose that his messages pass to and fro. SNOW CRYSTALS. 179 Fig. 28. at the same instant. Practically they do; scientifi-cally they pass in one direction during one impulse,and in the other direction during the reversed im-pulse, though the word during hardly applies to pul-sations which occur in the one hundred trillionthpart of a second. If we could see the molecules inmass as they appear in the atmospherewe would notice great masses of filesdrifting hither and thither. In someplaces coiling up and in other places un-folding, and at the same time shrinkingand expanding longitudinally and later-ally like the movements of a great numbers of detachedones would be seen skipping about withwonderful celerity and attaching them-selves to each other and to other files pre- m \ Short file of senting the appearance of some varieties molecules ex-of coral formation. This «»™-»^ ^ ternal
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