Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity (1854)
Davis, Daniel · Boston : Palmer and Hall · leaf 181
g the poles ofa battery, will sustain iron filings, as represented inFig. 106. The lines of filings have not that bris-tling, divergent arrangementwhich they exhibit underthe influence of a steel mag-net, but adhere equally all ^around the circumference ofthe wire; forming circularbands, the… … HELIX ON STAND. 165 transverse bands, lying in contact with each other,present the appearance of a closely-compacted layer.Whatever form the metal conducting the electricitymay have, the filings will always arrange themselvesin lines encircling it at right angles to the course ofthe current. The…
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