^^^ DE RB METALLICA 



quibus quarda quafi tranftra fuperius fic mclufa fint,ut immobilia maneat; 

 ex his pendat rclles lapillis cxtetx,ad quas humor fpiflus adhacrefces dcnfa 

 tur in traslucctes atrameti futorii uel cubos uel acinos,qui uuae fpecie gcrut^ 



Cortxnii A* Ltcus B. Trdnfira C. Refies D, LefilU E. 



Tertio modo atramentij fi.itoriu conficitur ex melateria 8c forytnam chal 

 citis,magis ucro mify,fi fodinac melateriac & fory copia fuppeditat , rerjcere 

 conuenitrqd ex eis,pra:fertim ex mify atramentu futoriu fiat maculofum : U 

 tacj? hxc eif offa Sc in cupas inieda primo diluatur aqua : deinde, u t pyritap, 

 ex quib.no raro xs coflatur,qui in fundo cuparil refcderut,eximi pollint^di 

 lutu in ahas cupas,latas pedcs nouc,altas trcs transRindatunSurculi 8c cre^ 

 mia,qux fupcrnatat,er)ciantur fcopis: poftqua omnc cralTamcntu in fundo 

 cuparu ccfcdcrit: dilutii infundatur in plijbeam cortina quadrangula , lon^ 

 sa. pedes ocT:o,lata 5c alta tres:in qua decoquatur ufcp dii crafTum ct lentum 

 fiat:tum in canaliculii effundatur,per que in altera cortina plumbea,iam difi 

 dtar ajqualc& fimileinBuat:refrigeratiieflfundaturin duodecim canalicui» 

 los:c quibus defluat in totide uafa Iignea,alta pcdes quatuor 8c dimidiii,la;s 

 ta tres.His uafis imponantur tranftra digitos quatuor aut fex inter fc diftan 

 tia,quzr pcrforata fint:atq^ e foraminib.arundines gracilcs paxillis uel cune 

 is adadis depcndeant ad fundij ufcp pertinetcs : ad quas atramentii futoriii 

 adha^refcens paycoru dierii fpacio concrefcitin cubos,.qui ablatireponautf 



turin 



