34^ COGITJTIOXES T)E RATIONE CALOKVM 



„dii folares per acrcm his r.uiiis antea calcf:i(fliuTi tninl- 

 „eint \ qiu:d denuinltrat , igncm m;ii(Mi copiii jn partes 

 „aere;is calidis pcnetnire , qium in alia>„. Iplam rem , 

 eflicaciam nempc radiorum (olariiim , fi pcr acrem his 

 radiis antc.i calctac^tiim tranfcant , polt vitra caiilhca mi- 

 nni , confirmatam vidi obltriiationibus a Clarjj]'. homo- 

 nojjoi-h inllitiiris , quas mcciim hnmanitcr commiinicauit , 

 dum in diuerlis in axc coni raduintis a lcntc dilhintiis 

 Thcrmomctri bulbum ad planum Jigncum mobilc lcnti 

 parallchim tcmpore ncrtiuali ct hycmaU adplicuit , ct gra- 

 dus Thermomctri annotauit , fimukine Thermomctrum di- 

 rcclis radiis Ibiis oppofiiit, ct cius gradus paritcr annotauit. 

 Non tamcn videtur in culpa clfc tranlitus ignis in acrcm 

 caictaclum largior quam in alia corpora , fcd intcrcipi vi- 

 dcntur potius radii a vaporibus intcr vitra cautlica et 

 folem hacrciuibus , vt hinc pauci radii vitra pcnetrcnt et 

 in fbcis concuirant. 



§. 4. Anf-im dcdit. C/. Collrga , vt Expcrimcnta 

 ipfuis partim repctcrcm , partim alia rationc intlituercm , 

 eum tamcn f()ium in fincm * , vt quihbct iudicarc potlit , 

 quantum obfcruationibus ciusmodi tribucndum (ir , ct difli- 

 culicr radios dirc(flos cum radiis pofl lcnt(.m rcfra^fti^ it;i 

 comparari poffc , aliamque viam incundnm n.ihi cflc , fi cius- 

 modi Kxpcrimcntis calorum veram rationcm dcfinirc velkm. 



§ 5. /« dijlantia 10 dig. a jnco , f/ 30 digit. a lente 

 locaui Thcrmomctrum A , ita , vt hulbi Thcrmomctrici 

 mcdium in coni radinntis axi cfTct , et Thcrmomctrum aliud 



B ia 



* Ob(i'Tii«(ionci hu ir.cdio mcnic lulii 1750. (um Icntc plano conucit 

 ioftitHtas cominuDicabo 



