aSo 



Dl RS METALLICA 



At Poloni in canali longo pedes dccem,Iato trcs : alto unum 8c quadran 

 tcm^lauantimpuram plumbi nigri ucnam dilatatam : ctenim cum tcrra fcr^ 

 iutca eft permifta,quam argilla tcgit uda Sc arcnofa Jtacp ca prius,uena po* 

 (lcrius effoditur,quam ad riuum ucl flume aduc(flam, Sc in canalem, in quc 

 aqua canaliculo immittitur, coniecflam lotor inferiori canalis parti infiftcns 

 cruitrutroangufto&rfcrmecufpidatorcuiusligncum manubrium adpe* 

 dcs decem longum cftrquo modo aqua lerram rapit in riuu uel flumen, oa* 

 lenaincanalifubfiditreamdcnuofemclautbiseodcm modo lauatam facif 

 puram:dcinde Ible ficcatam in acneum cribrum infjcit:atcp minutulam,qu5 

 traimittitja maiufcula leparat:qaaru hxcin crate,illa in fomacc excoquitur. 



dnaUs A» CtnaliadHi B, RHtrm c. Crihrm D« 



Atqj 



