. Guilielmi Gilberti Colcestrensis, medici londinensis, De magnete : magneticisque corporibus, et de magno magnete tellure; physiologia noua, plurimis & argumentis, & experimentis demonstrata . mbi diario nautico JBataui integru rumbum expertus, Anglus fextam tantum partem rumbi ad-mittit, cum vero compaffomeridibnali. Faululum verlus EurumacapitedasAgulhas DiegoAlfonfonullamfacit variationem^&perAftrolabium indicat mancre pyxidem in vero meridiano. Roderi-gespftendit qudd pyxis ad caput das Agulhas direda eft fi pyxiscompofitionisfitLufitanfc^ rum-bi verfus Eur
. Guilielmi Gilberti Colcestrensis, medici londinensis, De magnete : magneticisque corporibus, et de magno magnete tellure; physiologia noua, plurimis & argumentis, & experimentis demonstrata . mbi diario nautico JBataui integru rumbum expertus, Anglus fextam tantum partem rumbi ad-mittit, cum vero compaffomeridibnali. Faululum verlus EurumacapitedasAgulhas DiegoAlfonfonullamfacit variationem^&perAftrolabium indicat mancre pyxidem in vero meridiano. Roderi-gespftendit qudd pyxis ad caput das Agulhas direda eft fi pyxiscompofitionisfitLufitanfc^ rum-bi verfus Eurum, Eadem etiam eft confufio* ncgligentia ? & vani-tas in alijs plurimis. CAP. XIIII. De^ariatione fub^^^qumodtialilinea,&propeipfam. N Bprealifrus variat magneticum > propter cpnti-nentis emrnentiasBorealcs: In Auftralibuspropterauftrinas: In asquatore fipares vtrinq; effent, nullafbretvariatip. Sed quia rarocontingit,igituraIi-, etiam fepc variatiofub asquatore cernitur, aliqu&ab a^quatore verfusBoream,tnum(vel4graduum>variatiopoteftfieri ab auftralibus $ Sc validas admodum in prppinquo fuerint a latere CAP. magneticiferriin marimagno eAethwpkoi f$ Americanotl?Itrd#quatoremi Iximus antea modum & rationem variationis9inmari Atlantico magno: Cum verd vltra sequatorem(progreftum fuerit,in Braf% orientali littore,diuer-titmagneticumcontinentem verfus, termino fcili-jcetin auftrum vergente: Ita illoverforij termino,declinat dmeridiano vero3verlus occidente: Quodnauigantes obferuant in altero fine3putantq; variationem fieri in or-tum. Tota autem vi£ aprimo inortum Braftlise promontorio, per Caput DE MAGNETE,LIB. IIII. Caput fancti Atiguftini, inde adCap. Frio, & vkerius vfque adfau-ces fretiMagellanici • variatioeft femper ameridie verfus occafum,termino verforij tendente in polum enimfemperconuenientifineverfus continentem. Variatio autem nonfolumfit in littore ipfo, fed in a
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