Ohfervati» LXX. 



OBSERFATIO LXX 



Dn. D. JOHANNIS CONRADI BRLIN- 



N E R I. 



Seu 



Expertmentum de hullarum produBione in folutione 



chalybU' 



1N philofophia adeo incerca funt & dubia, qu^ ratione fola' 

 nicuncur, uc ea,quae magna ingenia, magno ftudio atque la- 

 bore, non fine verifimilicudine producunc,unico nonnunquam 

 experimenco Iabefa£lentur &corruanc,una cum aedificio huic 

 fundamenco^ fuperftrufto. Hinc prudentiores ad experimenca 

 rede, canquam ad Lydium rapidemconfugiunc, neque quicquam 

 afferunc, qifi experiencia comprobacum, Commencacus olim 

 fui fuperTAia/jf^f , ejusque vircucem aperiendi & obftruendi in 

 uno eodcmque fubjeSo^ miracus & rimatus ^ particulas in hoc 

 adtivas & fumme elafticas obfervavi tum in praxi, qua notavi 

 chlorofi afFed:as , frigidas acque corpentes dexcro chalybis ufu 

 rcfufeicari>agiIes^floridas&coloracas reddi, cum experimencoy 

 quo limacuram chalybis pofui in matracio' altioris colli , mox 

 fuperfudi' liqudtenri folventem ad infigncm akicudinem/ uc ae- 

 rem per medium liquiDrem ad fundum vafis & limacufam cha- 

 lybis penecrare pofle nemo cf edideric , qui noveric , iri ariclia 

 ppevmacica aerero ope aquae abarceri , ne penecrare pb/fic. In- 

 cipience camen foluciorie chalybis iri^ furidd vafis buHul^ excica» 

 tx magna^i prdruperuric ad fijperjScieni liqUori#folvcritis: un- ^ 

 de coriclufi^^ , iri ipfo chalybe ddtineri particular adivas ^ aethe- 

 reas, fumm^ vircutis & efficaei^ , qu^ foliitiorie prorumpentes 

 in liquore bullulas exciceric & efFervefcericiam ; in corpore hu- 

 mano viriculis foluc^ & ad mafFani fanguinis delacse , vappidam^ 

 ceu in chlorofi & cachestia efle foIec,invigorcnt,ariimen^ acque 

 infpirenc,fluxilemque rcddanCyUridevircucerri&apcrieridi &ob- 

 ftruendi didici , & difficulcates plerasque facile fuperavi. Dif* 

 fericientem autem circaproduftionem bullularum habui magni^ 



