Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
re of a battery bestretched betAveen the two hands, and held parallel to the conjunctivewire of the floating couple, as shoAvn by the long arroAv, with the cur-rents floAving in opposite directions, as indicated by the several arrows,the repulsion Avill be manifested by the movement of the… … Fig. 51. 768. Figure 51.—Attraction of cur-rents sho-wn by the oscillating spiral.— The attraction of currents, floAving in the same direction, is neatly illustrated by the spiral Avire, suspended as shoAvn, and dipping into a glass of mercury, BeloAV the platform the two poles of a battery are…
Physics · Astronomy
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