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# Title: R. P. Vincentii Leotavdi Delphinatis, Societ. Iesv, Magnetologia (shelfmark Leibn. Marg. 174)
# Folio 80, page id 1759050695:0096
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exercilaconis mex caput.
rec si in magnerici Polo similis radiorm omnium facies; ve rolunt Polaris
to, haud adeo arduum ac ditsesse tucurum nobis est veram ac maxime ac-
commodlam naLILa PriCiuS rationem effulionis explicare; quam eotum
magneticum quodlibet corpus obleruat: quod unum fere est corius huius
Sexto. Asc itaque iam actendamus euomodo puncta quae libet Magnetico
corpor mmerla aeae uxCa Moau, Guem. punctum aliquod singulare, e
Colicariuns ccllare proxime declaratum, ex constiturum est. Primo itaque
loco magnetis BD AC Polum B
borealem in radians illud punctum
allumamus, quod concemplemur.
Polus hic victuris radios effundie
vidigue TaI exEIa magnetem, quam
intra ejus molem, illiulque radiacio.
nis orbis Axis es idem magnetis
Aris B A productuS ad S, AE: qUaTOK
eA F F ad Axem perpendicularis, de
magnecem, s Sphaericum esse conti-
serit, tangens in B; qui cadiationis
torius phaeram in duo distinguit
hemilpharia: reliqui radii obliqui
lunco LIpeF B. Verimque acti. Ra-
dius B I intra maonerem eAuluS, et(I
praecise spectatus, de Colicarie, non
pertingerer ad magnetis circumte-
rentiam P, tamen quia alia magnetis
puncta eiuldem radii BI inter B ec I
inceriecta congunt; et tuc rnum totale Agens BI; Prouchetur actio puncti B
vque ad I, _ vitra extra magnetem verlus R. Ouod idem in ipso AXe BA
continsit: nam vircus puncti B congentibus punctis omnibus ipsius Axis BA
Promouebitur vque ad oppolicum Polum A australem, e vlera ad M extra
magnetem; Aeque ita d puncto B ad omnia magneris puncta radii emictun-
cur, _ ricittim ab omnibus punctis magneris radii ad Polum B COnCUEreNE,
ex vlera iplum propasabuntur ab (que omni fractione vel reRexione; qualem
fieri rolebant Polaris ectulionis ABerrOreS: quin etiam radiorum facies lon-
se alicer, quam lidem stacuune, se habent. Nam EOtIS Axis non cantiim B A,
qui est intra magnetem, ex virturem effundie; sed etiam qui extra magnetem
excurric verimque vlque ad S QM; ve concipitur Auere ab exFremO S SC-
xcenerionali versus extremum M australe, torus inquam, est australis; X COn-
Era, ve Auit ab extremo M verlus extremum Sboreale; totus est borealis, hoc
est, si in quibuslibet punctis secari incellisatu, ve duae tnr in ipla sectione
Facies
Magnetoloeia Lib. I.
effulionis APertOreS, ConstiteretuE. IlOc ergo ita constituro, de declarato
rnius lingularis magnetici puncti radios. re dictum est, effundentis Elemen-