1 370 LIEBER

00 7. Cum diameter longitudinum mediarum,& diameter mutuarum ſectionum epicycli& ec-0 centrici, diametro ſectionis eccentricorum& ecli-10 pticæ,& ſic etiam ipſieclipticæ, quam proximè ſem-100 per æquidiſtent( neutra enim extra limites& no-N 4 dos ad amuſßim plano ecliptice equidiſtat, 10 Jui-10 dem, quiaſircalimiteslibratio, ytpote in medio ve-19 locitatis, concitatior eſt, quam partium eccentrici4 obliquitatis diminutio: altera verò propter inclin-tionem diametri abſidum: attamen diſſerentia iſta5 ſenſibilis vix est) ideo pro vna ſimplici latitudine1 haberi poſſunt, qua ſcilicet ylanum epiccli, quod innodis vnitur eclipticæ, inclinare faciat diametrumillam, quælincæ per vtrumq; limitem ductæ paralle-1 la eſt, ſuper diametrumlineꝶ per nodos ductæ pa-rallelam.1 Vt, Epicyclo in M& O poſito, diameterinclinationis eſt IL, parallela ipſi G FN per1 limites ductæ, Sed in G& N, diameter incli-nationis itidem ea eſt, quæ ſurſum reſpicit,videlicet N K. ſed nutatio illa fit in M& Oſuper diametrum tranſuerſam N K, quæ ibiline nodorum O M iuncta eſt: At in G&N eadem nutatio fit ſuper diametrum II.parallelam ipſi OF NM. Ita in locis interme-dijs diameter nutans etiam ſurſum reſpicit,ſed inclinationem ſuſtinens transuerſa poni-tur.Hinc latitudines horum planetarum ab artiſci-bus computantur tantum ad paſitus cpicclorum inlimi-