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 163
a heap of iron filings,and then lifted up, the filingsattach themselves to the polesin clusters. Each particle be-coming a little magnet, theyadhere together in lines, whoselength depends upon the pow-er of the steel magnet. AU-magnet, plunged mto a massof tacks, sustains long lines ofthem, as… … LOADSTONE. U7 Fis:, 97. */i34. Loadstone. — The arrangement of smallbrads around the poles of a loadstone, is represent-ed in Fig. 97. Innatural magnets thepoles are not usuallyso distinctly markedas in artificial ones,the magnetic forcesbeing more irregularlydistributed. 235. The attrac-tion of a…
