OCR Text |
Show 234 DELINEI'SHORAR'IIS REGVLA ;. Siaurc‘m vclim inuenire declinationsm'fi ellrc, cu‘ius, longitude 8: latitude cognirmlinr, lic procedamfii tlocirs eius lony‘ gitudinis 51 viciniori nodo rcmorus per arcum , cuius linus lit a f. Latitudo autcm L'ius fitarcus b m. Ducam ipli b 2 c.33quidilhnrem. m n.cuiax15 zodiaci a n. perpendicularircr occurrar apud n. Erper przcmillum cnpur, {scare in n. in punélo 1. 1m vr licur eff a F- f b. He fitn l --l m. Dcinde porpuné‘tum l. dumm ipli‘a (l.xqriidillanmm 3 l h. incidentcm pcrifcria~ npucl l1. 852m mquinoéh'alis perpen- dicula riter npud g. Nanquc arcus Coluri d li.quamu{cunque finerir , qumfim propolitzr fiellmdeclinntio . Nam Ii puné him l.‘ lupcr d a c. 'a‘quatoris diamerrum cadercrmulln cfll't propo firze ficllm dcclinario.; Cuius operationis clemonflrzrrio ell : quod circuli lutitudinum par locum Pcclla: , plin&iiiiiq11c :cquinoftij trnntlzuntcs abfcindunt dc zodiaco cirifqrie parallelo, quorum {cmid iamcrer Hunt alxm n. fimiles nrcus, quorum finus reéli {unra £1 11.65 parallclus gquntoris, cuius {cmidiamcter g l]. {scans didum zcdinci parallclum fupcr locum flue centrum lfellze (ipfis iam famid iamerer apud l. punéhlm ft inuicem ferantibusfl‘ccat colurum pl'qd iélum LlBER‘ .S E CV N D V'S.‘ 235 arous ¢v£'& pernpfiélum fiduc'am ipfic c. parallclum linca m 9&qu linum b cin punflo garcumq; b d. facet in punéto lizlxlfiq; hrcus d l1.r:rir qurfim declinatio refpondéns fcilica := pmpofiro zodiati Fund}; ECuius dcmonflcratio eff, quod in quadrantc l>f:.linus torus b c -- [inum g c.1rcus c Honod o ropinqufori recepzi , «1'1 ficut in circulo maiore b d. linus lie. nmxinm: (lccfimtionis - finum g c. arcus d h. quz ell; drclinztio i:L‘.i_1&i zodiaciarcum diéhlm cf. terminantis : {1cm in rcrri-o {rill :ricorum 'Mcnelaus 85 in prime magna: confirmql‘ m": l'tolcmrus dcmonllrauir. REGVLA 6. Pro raft". autsm afccnlione , pomm :1 Cr angulum maximx zodiaci dcclinurioné. b. veu‘) angulum eius complcmétum: CY carigulum rcftum in A4 b c. Dcinde coaprabo in rcéhi iphs b in c.ipfisque ad. reclos inducam angulos ipfus b d. C138»; {upcr ccnrris b c..lineabo duos Circulorum quadrantcs :1 g do l: 6.3: :3 punflo aipli b upcrpcndicularem indcflnitam cuimlto a f qux per dccinmmquinmm terrij cl'orum vtrunquc circulum range: in punéko a. faciam dcindc ar- in punélo l1. warearcus eius (1 l1. crit'quatlit a cum dg. cequalem arcui,_ qui punélum zodiaci propofitum dcclinutio . REGVL A 4. Nunc eiufdem fiella: retrain afccnlioncm eliciam (ic : Secabo ex purcedentis capxloélrina ipfam .1 (Lin punélo k. in V: licutcl‘r g l - l h. fic fit a k --- k d . Nnmq uc a k. finus erir afccnlionis rec'lvc, qua: debcr ur 'ab zrquinoé‘tij punflo {eiungit :. &.per punéta bg. ducam rcélam,qux ipli :1 fadpunéhlm h.coinccdat. His pcra€tis propofira: flellzt, 51 proximo nodo compuran dn : ell: ca: tcris obfcuriorfi circulum a g (LPro zodiacofic circu- vnde arcus rali finui refpondens cx przrmi llo co- gnitus,crir ralis albenlio.Nnmque circul us decli- lum :r k. c.pcr tropicorum vtrolibet confydcrabis : quorum nationis (fella? cum coluro requi noéh'orum in~ cluclit dc gquarorc 8: eiusparallclo, quor um {cmidiamctcr a (Lg h. fimilcs arcus, quor um linus {um 9. kg l.qui nrcus linguli fiinr qucgflw afcenl ionis quantitas. Sic lialwcs praxim &dcm onfl‘mrionem. REGVLA ;. ERB: nlia via inueniendi punfiorum zodiaci declinatio ncs 8crcc€his nfccnlioncs: cuius regulas l‘ficprotinrs explicabo. Alliimatangulus b :1 (l. maxim? declinzzrioms zodiaci perifcriam l) cl. cuius finuskrcéhis fir b c. ad {6- midiamctrum a clipcrpendicularis. Mox corinualm in reGum ipfam a.c. Fri-namqucipii c b. gqualcm cc. {uperque ccntro c. clcfcribam Cll‘CulI quadra IIL‘ID [7 Palm tc-llignm aurcm l) fe. qunrrd zodiaci inter {lucinroximq cardinum puné‘ta : Vt {Cilicet e. lit gquinocfijzb. verb loll}: r1} yuncrnm. lit autcm f. punéhlm zodiaci Propofirum , cuius vclim dcclinario ncm, vt {cilicct eius évicino gquinoé‘tio diihmria [if arcus coniungam h c.1‘e&:1111 , qux pertiriam :1 e {ccctin punéto kcritque arcus c k.afccnlio reap. propoflto zodiaci punélo dcbitdr Huius praxeos demonlltmtio, ingeniofe lcCtor , non" vidclicet habenfi diametros, rcékam quoq; a fipro comm uni fcé‘tionc planorum talium circulorum l}: inuiccm in {phxra mngenrium: rcclassrleiiiriin b l]. 11 c. communes lhotioncs coriidcm cir‘culorum cum circulordcclinationis,qui (cilicct per polos mundi punélumque zodia_ci propofirum ginoedonsmblhindit dc tropico arcum e,k.lrmilé arcui seq uatoris, it viciniori mquinocftio adcundcm quuc Circulum recop to: quit CF: alrcnfio rcéta qurefira . Et cft modus flimlls c1,quo in vndccimo capitc libri prcecedcntis ,ad clicrenda. horaria internalla rum in horizontc , quiun in verticali Circulo vfi {um us. Ibi mnque in deméffrationc pro zodiacofipfirm horizon tcm,& pro tro‘pico parallelum,qué horizon rangit, firmplimus , flue pro zodiaco verticalcm : 86 Pro troprco Parallclum,qucm verticalis tangebat.. ‘De [Mi- |