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)
agnet being in the plane of the circle, the hoop will turn around andcome to rest at right angles to the axis of tlie magnet. This experiment, made first by Ampere, is the reverse of Erstedsexperiment and discovery (760). . 770, Figure 53.—A single helix.—If the conjunctive wire bewound into a…
Physics · Astronomy
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