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Show 232 D! LINEIS HORARIIS (cmicirculfi a (C. REG. I.Q§bus pera'é‘tis,fi lubcar arcus dati Emmi inuenire,vtpotc arcus b dJinum primum SC fecundum; tfic ducam 3r puné‘to d.duas perpendicularcs ad [Elnidialnetros quadri ris,qu<; {int‘ d g.d h.critéue d g.quidem finus rcétus arcus b d. dari : At d h. finus‘. fecundus ciufdemfiqualis quidcm ipfi :1 g.quarc Ivgfinus vcrfus eidé arcui b d.dcbitus vocabitur: qua: adcb apcrzz f‘untfvt deméftmrione non egeanr. R EG. 2..Eadcm aurcm diccre potcro e): {cmicirculo fiC-Si velim ortui a k. fimili d b. finum dcbitum a iqnarc, continuabg inr {cmicirculo a fm'pfi a k. :cqualcm arcum k f. aiducam ‘Chordam a f. qua-m efl‘e dico finfi ipflus nrcus b dltcm coniunqnm Fe.chordi,qucg fimiliter finus cri: {ccundus arcus b d ,Ircm nbfciddi dc diamcrro e a. ipfi cf xqualcm e m.nam m a. refidufi crit {mus vcrfils €111de arms I) dqdpd fic ofiéditurln Circulo b d c.ch0rda dupli arcus bd-duplflcit ad 11mm} d g.& dupla itidé ad chordam a farcus a k qua {cilicet arcus fimt {unfit-5,8: diameter diametri dupla. qu chords. 3 fixqualis finui d g.Sed anguli ad g.& Efunt rec'ti. igfper Esmprimi ci'oly, cfim a 6.2 dimt mqualeszerit & famqualis ipfi a g.vel d11.finuifcdo,fcili< cet arms diéfi b d.Vnde P céceptionéfilpercrit m axqualis ipfi b g. {mm vcrfo arcus ciufdem b d. Sic quos habuimus finus in cirCulO mmorc b d Chabemus 8: in minorc a Fapcr chordaslréqrfi triigulfi ifs: mquilarfrum & a'qulinngulfi triangulo d g a. 6: triigulo 3011 d. ca m em 28 ua is crit 2mm 9. o . L ' anlqulo fa aqpcr I 55 prini' k y cil'gg‘jglclx L12?‘dl:oidr:€f::. angulus crqo 85 angulus f3 6-01 d n h.cum angulo fa c.coplct duos rcé'tos: @arc per 1:} cinfdéd a F. eff vim rad}; lmcaJEr propterea dato nrcui b d.finfi dcbiu'x quxfitums polls contmuarc reétam d a.donec occurmr pcriferize circuli minoris ‘ ‘ ,n- l. .~ _ . .. ad pmuu 1.8L Indc conneflexefmp fiq; xqualcm c mabicmderczh. o cnim,vt prlusdmberé chordam a {pro finu reé‘to arcus b d.Chord iq' Fc.pro-fim1 ciufdéarcus fecundozu m mfinum eius vcrfilm . REG 3: Contrigfi mitt-undue finui a h. exquircrenrcfi debitfi: tunc 51 pfiéfo har'cim‘c-o lpfi a cad rcétos h d.donec occurrat periferix in p {1&0 d. ez'itq; bdarCusquE quxrimus. Aut fi efidcm arcfi per finfi fecundfi a gfiu 11m? vcrfum gquxrcrc iubrrer: tficfi Punfto a. excimréi 7fi 2: b,;)§1‘pcnx‘Z£CL:Iar-:zn gclpcrifcria: in flgno d.occurrenzr>é .& haberdm him-1111361 al-‘Cllili .3 dftah (mm dcbltum. R504. Cmod 1i hmc cadé ex C‘ILCIUfO mmarf Vt‘lilll chcere : tuncflnum datum a 11. coaptabo in 1c:nucsrc u_1ylo :1 f'lcrhoc‘c ,per circinum ipli a h. rtqual cm in diéto femi- c1rculc cuorc‘m 1m untti 9. {mm nifilmpri arcus akfidimidm hoc eff arc‘us a k.91‘it,qucm volamtus {Emilis quidé ipfi arcu‘i b d. S; amen; LIBER" S'EC'VNJD VS." squalem: rclinquctgr cnim c m. ipfi a g. {inui {Hr-undo aequalis : cui aqualem inducam {cmicirculo chordam : {Ek rcliéhz :1 k £dimidif!, arcus {cilicct :1 knotfcet ipfi b d.qnssfito fimilis. @pd liquifpiam {scans quadrantcm b d c. in 90. gmdus, ficuti Geri {olct,partiatur & {cmicirculum a fedn rotidcm panes, Vt vmquqq; binos cépleflatur arcus;iam fic in arcu a k {apparebunt rot paragquorgradus fun: in arm b (1.86 an us a kfiquémuis non dimidiatus oflErct tibi numcrum graduum arcus b d. quxfiti. $6 dec/iflm‘ioni/im 59' dfimfiorziém 766713 iflumimdm Cap.7. R0!' 05 I To cuicunque zodiaci puné‘to debitam declinationcm fic inucniemus. Dcfcribam circa cenrrum a.circulum b d c. qui v reprxfcntet colurum folffiorum : cu‘ius diameter b a c. fit cius cum zodiaco : diameter autem d a e. ipfins cum xquinoéh'ali communis fcéfiofiic arms [5 b d.quém ipfc c 6. flat maxima zodiaci dcclinario. Sit autem pr‘opofitum punétum zodiaciIPcr datum arcum diflans i viciniori :cquinoéh'j punc'tozcuius arcus mus pg Prgccdenns regulas inucntus fit a. {linen dc {emidiamctro a b.abici{:1.& per punftum Educam lpfi a d. equidiflantem lineam gfh. qua fecabit Perifcriam coluri b d.in puano , quod fit h.in quo icilicet parallclus propofin punéli {scat colurumzquarc arcus h dfiCt dcclmntio quxfim : cums finus critng. perpendicularis ad fg. cm per fccundum modum 1n pmmifl‘o tradimm,potcro arcum afcnbcrc. REGVLA 2. V: autcm habeam afcenfioné radium diéto zodiaci pun(‘lo rcfpondcntem,tfic fecabo {cmidiamctrum :1 d.in plinélo k. per nonam Regulam prxce- dentis capita vr a k -- k d. {if 11cm % f- fh. E: quoninm circulus declinamoms cu coluro vtrolibct fimilcs abfcindfit nrcus dcgquntorc 8c parallclo punfci propofiti, per qdos deter- minirur afcéfiones rcéixr: ideo akJmea finus erir afcsnfionis reéht pfiflo zodiaci propofitq . cundcm agednangii‘ci vclim per fink] cius fecundfi a g. tunC rurfum 1‘5pr ndétisd fizflione proximapéputadm. cm per alteram pof'cremarfi rcgularum prggcden- collocabom 1cn11c1rculo 11311 a gfi'qualcm chorda m ckf. Nam reliant tis cap. arcum dcbitu m fiatim mucmcmus. v ' Purifcria 233 pcriferia 1k fdimidiam in punfio 1:1.'C1hl'bct atcfi akipfi b d.qu:rfitb flmilem. Dcniqucper finum vsrium b g. arcum talcm venaturus: Ibfcindwm dc diamcrro c a. lincam a m. ipfi b g. finui vcrfo dato |