A history of electricity : the intellectual rise in electricity from antiquity to the days of Benjamin Franklin (1898)
Benjamin, Park, 1849-1922 · New York : J. Wiley & Sons · leaf 296
regards the force of the terrella as sentout in all directions, attracting whatever iron or magneticbody may come within the sphere of influence; and thenearer the iron to the lodestone, the greater the force bywhich it is drawn. The shape of the field, he thinks, con-forms to that of the emitting… … GILBERTS NOTION OF THE ORB OF VIRTUE AROUND THE MAGNET.* itself, without actually exerting any motive energy uponthem. In fact, he is inclined to regard the magnetic fieldnot merely as revealed by the presence of bodies of mag-netic material placed in it, but as in some way subjectivelyconnected…
Electricity · Magnetism
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![An illustration from Cosmographia in qvatvor libros distribvta summo ordine, miraqve facilitate, ac breuitate ad magnam Ptolemæi mathematicam constructionem, ad vniuersamque astrologiam institutens. Francisco Barocio ... avtore. Cum præfatione eiusdem autoris, in qua perfecta quidem astrologiæ diuisio, & enarratio autorum illustrium, & voluminum ab eis conscriptorum in singulis astrologiæ partibus habetur: Joannis de Sacrobosco verò 84 errores, et alij permulti suorum expositorum, & sectatorum ostenduntur. rationibusq[uam] redarguuntur. Præcesserunt etiam quædam communia mathematica, necnon arithmetica, & geometrica principia, nonnullæq[uam] propositiones, de quibus in toto opere sæpe fit mentio: ac demum locupletissimus index eorum, quæ ipsa Cosmographia continentur .. (1585)](https://img.insideoutlibrary.com/img/200/ia-cosmographiainqv00baro-392-104.webp)
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