. Guilielmi Gilberti Colcestrensis, medici londinensis, De magnete : magneticisque corporibus, et de magno magnete tellure; physiologia noua, plurimis & argumentis, & experimentis demonstrata . fitum fuerit in G, cius meridio-nalis finis qui videlicetin Bprcam dircctus cft ,defccndit infrapla-num horizontis vifibilis AB. Itaquemaxima cft difFcrentia inter rc-ctam, & polarcm fiuc parallclam fphaeram, vbi polus eft in ipfo Ze-nith. Nam in recti fyhxA ferrum plano horizontis parallelum autem pdlus coeleftis in verticali puncto fuerit, vel cum tel-luris polus fit ipfe locus rcgionis, tunc
. Guilielmi Gilberti Colcestrensis, medici londinensis, De magnete : magneticisque corporibus, et de magno magnete tellure; physiologia noua, plurimis & argumentis, & experimentis demonstrata . fitum fuerit in G, cius meridio-nalis finis qui videlicetin Bprcam dircctus cft ,defccndit infrapla-num horizontis vifibilis AB. Itaquemaxima cft difFcrentia inter rc-ctam, & polarcm fiuc parallclam fphaeram, vbi polus eft in ipfo Ze-nith. Nam in recti fyhxA ferrum plano horizontis parallelum autem pdlus coeleftis in verticali puncto fuerit, vel cum tel-luris polus fit ipfe locus rcgionis, tunc ferrum cft horizonti perpen-diculare. Dcmonftratur hoc lapidc rotundo: Pcndcat in aere exi-guum declinatorium duorum digitorum (magnctc fricatum) tan*quam librile, & fuppone artificiofe lapidem, fitque primum tcrrellarecta,vtinrcctaTpha2ra\&in prima figura: fic namqueferrummag-neticum in sequilibrio manebit. Atiri obliquS tcrrellae pofitione,vcinlpha£raobliquS>&fecund5 figura; defcendit ferrum altero fincoblique verfus polum finitimum, fed non in polo acquiefcit, necrcgitur cius defcenfus i polo, fcd & totius corpore&mole: nam decli- £>£ MAGNETE, LIB. V;. dcclinansinmaioreiatitudiaekbitur vltra poltim. Intcrtia ver8pofitione terrelte, ferrum eft perpendiculare 5 quidpoluslapidis infummo pofituseftj &ferrum dire&everfus corpus tendenspolumattingit, Cruxin praecedentibus figurisfemper inborealemterrellgpolum conuertitur, ta&us a boreali terrella* polo, cufpis ta&usme-ridionali lapidis, in auftrinum tendit. Itd videre licet aequabilcm^obliquam, & perpendicularem ferri magnetici pofitionem in ter-rella. CAP. IL Diagramma declinationum ferri magnetici exciti^in Varijs Jphterte po/itionibus, & hori^ontibustelluris, in quibus nulla eft variatiodeclmationis.
Size: 2303px × 1085px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorburndylibrarydonordsi, bookdecade1600, booksubjectmagn
