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iihaliub^^ oleaque, & refinas planratuni iisdettl , 

 tjuibus bitumina hxc^ naturis conrtare , utcun- 

 que cena fidts eft, neque alia re bitumina differ- 

 re , quam mineralis cujusdam acidi genere^ quo 

 ad reliquas naturas addito , pingvitudo in fofli- 

 lem naturam fteditun 



§. 3^9. 



Pefrokum (F6(di ob). Bergol. odore eft 

 f)lcrurnque immodico , refinarum diifimili ; fapo^ 

 rc inamoeno* Ejus plura genera. 



I. Naphtce (Foldi Balsam, Naphte, ) fincerfof^ 

 ^ijuam cereris , poritas; oleofa flaiditas ; color fla^ 

 Vefcens; & tianslucida clariras ; odor probahilis; 

 & eadem pene < quas ipirirui v^ini^ levitas* Acjn^J 

 inftillata , per /ummam ejus fuperficiem panditur , 

 (k varios iridis remittit colores. Magna illi cum i^ 

 gne tognatio, cujus flamma vel in diftantem proti- 

 nus trajicit. E rimis faxorum ftillat. Eximia fama 

 cft, qux in peninfula Perfiae Okesra in cifternis 

 eolligitur; deinde c[wx Mutinenfl in agro. Ad au- 

 ram diu aperra fpiflTarur, infufcanirqDe in cjus fimi- 

 litudinem , qux in Hungaria, Tranfylvania, Scla- 

 voniaque folum petrolei nomen retinet. 



a. Maltha ( FeJiete Enyv* Bergthcer, ) quas & 

 pix mintralis y tenax , & nigrum craftamentum , in 

 fundum aquarum, quibus petroleum innat, ponde- 

 re fubfidens. 



V 3. Jjphiltum ( Foldi Szurok. Judenpech. ) e 

 \zcxx afphalt de folidi, & nigri limi inftar extrahitur* 

 4. Gac;ates ( Gagat. Gagar. ) folidirare , duri- 

 tieque polituras patiente , odore^ nili incalefcat 1 



cft 



