4^5 METHODf^S OBSERKmDf 



tias red.is , (iui bccinfGmas capiUoriim panillclomm omnium: 

 iutcr lo iiixta liiieam G C pcrciirrit , coiila]uciK<jr QV 

 tempii>, qiio idcm puncflum dill.intr.vm coguomincm icw 

 brciiinimiira cipillomm u -J et AE, op ct BD, hoc 

 dl lincus bf ct ^ P , olcUIationibus horolo^ii ccu parti- 

 bus aciiiulibus diucrlarum fcnlanim cxprcdis , ob triaugii-' 

 lum hg d fimile triangiilo f e d pcr conlbuifiionem ■, iq- 

 fcratur primo , vt linea e 2:, fe habet nd linGiim h j ^ ita- 

 e d ^ ad y r/ , dirt;\nti;im breuiifimam puntfb d w capillo- 

 u '■J cidcra proximo , olciUationibus horologii ad motunv 

 centri Solis rclatis cxprcflam. Addatur liuca hacc d /ad" 

 diltantiam ci^pilloium u '•> ct p pcr § 3''"™ in iibdcm 

 partibus datam , fummaquc , tcu Irnca a d , fubtrahatur a. 

 di.unctro Solis ibidem ct eodcm modo data , et rcllabit 

 mci^Jiira tcgmcuti Solaris ?y 2 IC , ia- inituo- obfcruationis ob- 

 fcurati. Dcinde pro linca a c ^ \n iisdcm partibns inuc- 

 nicnda , ob triangula P f R , et a c b ^ itidcm fimilia pcr 

 conflrudioncm , infci-atur. Vt R Z» fc habct ad <? P , ita. 

 b c ad a a ^ mcn.iuram fcgmcnti \mbrofi Lunae iiv initio 

 obfcruationis iii Sole confpicui qivicfitam. Addatur linca. 

 hacc a c , ad lcgmcnti Sc^lari* mcnluram a z liipra iiiiicQ- 

 tam , fiimma dibit quantitatcm partis Solis in initio ob- 

 fcr^utionis obfcuratac ofcillationibus hon)logii ad mouiiii' 

 ccntri Solis rclatis , cai partibus actjualibus (cvlac exprcfTim^ 

 Data hoc modo quantitatc phafcos iisdcm p:util)iis cx- 

 prcHi , in quibus diumctcr Solis pcr oblcruationcm § ^^'^ 

 delcriptam datur ; fint dcnno' illatio j vt diamctcr Solis 

 4pho citato datd le habct ad 12. digitos , it;v quantit;it> pliafa>s 

 modt> inucnta ad digitos fibi rcfp(»ndcntcs. Qjiod irat prir 

 mum. Poiro prodiamwro difciLua;ic iiiutnitnda,(Fig 3. )rc' 



picfca- 



