ai2 DE DENSITATE METALLORFM 



Expet. nr. §. II. Aiiri alia portio pondus Iwbcbat in aere 131; 



^"5 gr. iii aqiui 124. gr. ct dcnfitatcm 17, 533- Cupri ve- 

 ro iaponici frullum tencbat pondus in acrc 281 gr. in 

 aqua 24.9 gr. \ndc dcnlitas eius 8 , 7S1. Mixtura ex 

 liis fada coloris erat fcre purpurci , et ponderis in acre 

 4-09J gr. adcoquc detrimentum ponderis ex fufione ortum 

 21 gr. pondus in aqua erat 370 gr. adcoquc dcnfiras 10, 

 308 , quae per thcoriam dcbuiflct efl!c 10, 44.3 ; ne 

 quc adco hacc mixtura dcnfitatcm rcgulac aflTccuta ert. 



Exper. IV. §. 12. Non finc diflficultatc obtinuimus mixturam cx 



auro et ferro compofitam , ncquc tamcn eam latis aequa- 

 bilitcr pcrmilVim , quod color tcrrugincus , in flauum lcn- 

 fim decrcfccns , indicab.it in mixti intcrioribub, Auri ta- 

 men pondus crat in aiire 94' gr. in aqua 89^ gr. ct 

 hinc dcnfitas 20 , 94-+. Pcrrum tcncbat pondus in aerc 

 676^ gr. in aqua 589^ gr. ct hinc dcnfitatcm 7 , 798 ; 

 huius acccpi (cobcm pondcris 120 gr. quae ciutj auro 

 pcrmifla maflHim dcdit , cuius pondus in acrc iS^gr. vn- 

 dc dccrcmcntum 4.1^ gr. in aqua pondus fcruabat adhuc 

 i(55i gr. hinc dcnfitas 10, 4-51 , quac pcr rcgulas dcbe- 

 rct c(fc 10, 802. Tcncbatur hoc mixrum a magnctc , 

 \bicunquc ipfi porrigcbatur , ex omnibus Lucribus. 



laper. V. 6. 13. Pondus frurtuli aurci <;rat in acre 114-. er. 



Q et Qt , , . 



in aqua 1-^8, cc dcnfitas 19,000. Stanni pondus in 

 acre fuit 249.gr. in aqua 215.gr. vndc dcnfitas 7,323- 

 Mixium crat coloris planc argcntci , finc vllo indicio auri 

 cxtcrno , ct pondcris in acre 357. gr. in aqiui 317. gr. 

 cx quo oritur dccrcmcntnm poiuicris 6. gr. ct dcnfitab 8, 

 925 , quac Itcundum rcgulas dcbcrct cfle 9,075. 



§. 14. 



