. Guilielmi Gilberti Colcestrensis, medici londinensis, De magnete : magneticisque corporibus, et de magno magnete tellure; physiologia noua, plurimis & argumentis, & experimentis demonstrata . amp; conuerteturin feptentrio-nem: viresfibinecelTarias ferrum a magnete fi bonus fuerit magnesnon folum concipit, fed etiam conceptas infundit in aliud ferrum,& fecurtdum intertium (faluis femper legibus magneticis.) In om-nibus iftis oftenfionibus noftris femper reminifci oportetpoJostamlapidis, quam ferri, fiue ta&i, fiue inta£ti,re& natura contrariosfemper cffe polo in quem diriguntur, &anobis fic a


. Guilielmi Gilberti Colcestrensis, medici londinensis, De magnete : magneticisque corporibus, et de magno magnete tellure; physiologia noua, plurimis & argumentis, & experimentis demonstrata . amp; conuerteturin feptentrio-nem: viresfibinecelTarias ferrum a magnete fi bonus fuerit magnesnon folum concipit, fed etiam conceptas infundit in aliud ferrum,& fecurtdum intertium (faluis femper legibus magneticis.) In om-nibus iftis oftenfionibus noftris femper reminifci oportetpoJostamlapidis, quam ferri, fiue ta&i, fiue inta£ti,re& natura contrariosfemper cffe polo in quem diriguntur, &anobis fic appellari vt an-tea docuimus. Nam in omnibus femper feptentrionale eft quod inmeridiem tendit auttelluris aut lapidis, & meridionale quodin fep-tentriones vertitur lapidis. Septentrionalia alliciuntur ameridio- nalibus DE MAGNETE, LIB. II. g: nalibus telluris, itaincymba in meridiem tendunt. Ferrum taftuma feptentrionalibus magnetis altero fine fit meridionale, & tenditfemper (fi prope fuerit intra orbem magnetis)in feptentrionalemlapidis5 & in feptentrionalem partem telluris fi Iiberfuerit &foli~tarius longiusalapide. Polus feptentrionalis magnetis A>. conuertitur in meridiem telluris G, verforium in cufpide ta&umabA parte fequitur A, quia fa&us meridionalis. At verforium C pofi-tum longius amagnete, culpidem conuertit infeptentriones tellu-ris F,quia fa£ta eft cufpis meridionalis ex conta&u borealis partis la-pidis. Ita feptentrionali parte lapidis ta£ti fines funt mcridionalesfacti, feu meridionaliter exciti; & tendunt in boream telluris: me-ridionali polo tacti, funt feptentrionales facti, fiue feptentrionaliterexciti, & vergunt in meridiem telluris. 1 C AP. V. De tadtu ferrorum diuerfarumfigurarum. Acilli ferrei tacli alter finis eft feptentrionalis alterauftralis, & in medio eft terminus verticitatis: ve-luti in globo terrella?, aut in ferreo gIobo,aequinoc-tialis circulus. Cumveroferreusannulus cx vnapar-te magneti affricatur, tunc polus alter eft in lococonta&o, al


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