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Show DE Imus 'HORAR‘I xé Te H'oro/ogiamm 3 1207716271de , meridian, 59‘ verifm/Lk 19/4221? V1 3 v s conflde‘rarls,prgpar;‘.nda fiznthoro‘ logiorum plana . Sal Prius Prxambula faciant. Trinngularc xquilarcrum :5 wins vL-rij'cc perpcndiculum 'quzrdam abfoluamus , mngis ad molt-:3 pmxis v- trianguli catllctum percuciens , {cmel atque itcrum lull congruence fum, quizm ad demonftrationcm accommodata. Suppono enim non folfim elcmétaria Folltulata, {Cd ctiam lincam lines: xqualem dcfcribcre , ant propofiram lineam in quotlibct fegmémpmfiri, ad planum , nrgnit per 4} vndccimi clcmcnrorum , plnni librnmsm tum . Etplanitics llc lil‘mm erithorizontalshorologium : quandoquidem omnis pcrpendiculi filum cl‘r horizontis axis: & pcrincle plu- & cmtcmflux canonis ac circini officio conficiun (lam {equlrun Quinta Regula. Vt in fulfilmfio horizontls plano tur,iam per {6 nota.prxfcrtim cum in infirumcntorum ac machinarum fabricls multa fiant 2‘1 me- iplo plane Circulum llnmbofupcr centre a. qui fit b c. & é centro chanicis,qu<; in theoria non dcmonflrantur.%is gnomonon a d, planum perpendicularfm crigam , its. Vtcirca meri- cuim doccr in circulo vnius gradus arcum ab- fcindcre, ant datum pctifcrlam in tres mquales yortlones (scare, nili hecc & nlia pcdetcntim , 86, dicm eius' vml‘ra rcrnn'ncturlntm circuli amblrum . Atquc olalE-rnabo gcmims gnomonls vmbras , ante mcrldmnnm quidcm & fol} vrita dicam , ad iudicium {enfils artcntando, in geometrica praxi confcquercmur E Prscmitmm igitur Regulus neccllhrias . Q1311} primal]: dc perpendiculari . Propomtur a b. rcél'n, «kcxtm cam puné‘tum C.Si opus fit :11 111111850 c. (luccre rcthm Perpendicularem ad lincam a. b. (lofcrilum fupcr punélum c.circulum a. lw. qui {acct pzopofimm lineam in punéh's a b. dcindc {Ecabo ipfnm "7.3-? *‘x C...__~ cam Purifcriam b (l.qu.1m officio circini Facmm rec; ualcm ipfia aperiferice:&' dumm rcflnm c dqux erit scquiclil‘tms ipfi a blinengrta Regula. Preparabo lxlwc-llam cum pcrprsmliculowcrqunm planum fine: pauimcnrum nut cxplannms ad amulllm lnpis lilu‘atur. Inlh'umcnrum Argllitcftis adco norum , vr vix eius mentioncm sutlaorcs 59‘ 117264 maria/3mm. (4p. 7. é-a A 5-:rtr-T" LIBER PRIMVS. ' I77 peril'criam ac. &1‘urfi1m {uncrpunao c. aditlcm fpacium tGdedu- nitics , quce perpfim‘licularircr illurl lilfCEpir, horizonris :rqllidilhn- Meridianam lineam lnucniam princlpcm llornriarvm lint-3mm in mcmlianam , qurc in iplfi pcrifcria pmcilHimircs lmlucanta b. 8: a c. 'Imlc lumbo per :L‘qunlin arcum l7 C.jn punflo e.Er(luc;1m rcéhm .16. (7119 erit quqllrn meridiann llnca llcrizérfgcums axis ell ipfcgnomon. Scxm RequlmCUm lm‘c inucnm lmca fit communis {eéh'o horizontis 8c Mcrlfiilmi,&ipl‘c gnomon iaccat in pl;an Mcridianl: Ii fupsrficies plann , in qua iacwt 1‘60th d :1. 8c :1 aperpemliculntls ad horizonrcm, em: ipfum Meridian] homlogij plnnum. Septima Regul/a. Excimlwo per 2.5- Regulam rcfiam :1 Eipfi :L uperpendlculnrem :crltqucplanirlcs d :1 fhorologij verticalis , mm horizonti quém Meridiano pcrpendl" a lfi. per medium . In punflro d. & ducam rcélnm cularitcr inéidcns.0€mun ngula.Ad rcél'llicamlas muralcs planirics cd.qua: crit pcrpend‘iculnris 2d :1 b.1‘c'6l1n . Secunda Regula. In linen a b. datum litpunfl'um (1. fi opus lit ab ipfo d. pun Go excltarc‘ perpendicularcm ad ipfam a l). capinm linens (l :1. cl ‘0. x« qualcs: 8:1‘11pcr Punais :1 b. ad lbaclmu totius a b.dc{cribnx11 duos circulosgui lice": [Einulccm in pumfio L18: ducam linrnm ulqu; crit Perpcn- dicularis ipli a b.rcéhm.Tcrm chuhl‘royonw tux linea :1 b. & extra cam Pundimn C. l1 opus ll: ad horizon [cm pcrpcndiuularcs E1 bricidus CR Canon acqualis latitudinis & parpendicularcm filum lécundfim longituclincm (ulcipiens: per punélum C. (luccrclixz cam wquidiflmtcm llnm: a lycabfam in linsa n bpunltum non proxin‘ luv li'fflfl «'ludntutu {337-3 (1331141110(13113.11le fr . l , , , ,‘ A . , »_‘ 7 ‘ "‘i """H-lzl .5» C. "r. 1 hic cnim paricrl applicarus , filo lam manium Canomm pctuerbc- rante,arguct cmennlamm fillu'icg Perpendiculnritarem. Sad lwqc :1ch meta fimtwr pudcat me ipforum traditionis.Hoc Pafto con {titu'cnrur ho1-ologiorum,horizontulis,Mc=1'ldiani ac Vrrticnlls Plans. Vcnmmus nunc ad rcliqun. fiw/mrny‘fiéflm 59' 'vflu. (21p. (5'. V L T l s arquc ingeniolls infh‘umt‘ntis vronrur Alh‘onomi: Ad quorum prxcipuum filleLH/T'UC lhcillimum fan's (Tit hmc gnomonicrc lhicnria', inllrumcntum illucl lelrnns cl}, nulli \‘cl mcd10< Cl'iCCI crudlto incognitum . Conilnt mlm (x quaxlmntc circuli: 1H VLlcliCCt |