168 EXTKRI^f. DE COMPRESSIONE AERIS 



to III. rcd.isfliim fiiit. Scciindiuim enim hanc regnlnm 

 fpariii aorib liiiic in nitionc inucda pondcrum vel \irium 

 comprimcntium , prcilio crgo liacc ccntics \igclics prciiio 

 ncm atmolphacrac Ilipcrarc dcbuit. 



Expcrim. IV. 



$• 9. Vt quid , aqua in bomba congclafccntc fieret j 

 dcnuo cxpcrircmur , toto appjratu bombac immiflb ob- 

 turaculo cam benc clauiimus ct fune canabino nouo \ndi 

 quaque cinximus , vt bomba rupta \i funis contincrctur 

 ct totus internus apparatus illibatus pcrmancrct ; at bom- 

 ba pcr 4.. horas in tcmpcrie acris 13. gr. Thcrm. Fahr. 

 libcro aifri cxpofita (iib prclo rupta efi cum func , quo 

 cin(fbi crat. In tria frulla inacqualia lcc plana \ertica- 

 lia itcrum diuidcbatur , et partcs ex alt. 2 ' pcdum vsque 

 ad trium pcdum difiantiam proicdlac funt fcc. diucrfas 

 pljgas, dibicdis fimul malfis ligncis, quae ex vtraque par- 

 tc bombac adplicatac crant , vt , fi bomba diniliret , dc- 

 volutio impcdirciur. Totus apparatus iterum practcr (pcm 

 fra^fhis efi et fuprcma tubi cxtrcmitas nc quidcm inucnta. 

 Fluidum fic dirjKiiiim ccrncbatnr , vt bafi coclilcie ma- 

 ris non ii)lum guttulac aqucac , quac in glacicm abicrant , 

 fed ctiam quam plurimac guttulac minimac mcrcurii ad- 

 hacrcntcs apparcrcnt. Crulta glacinlis , qua obdudi ccrnc- 

 bantur parictcs bombac obferuabatur cralfitiei ;, dig. L. 

 circitcr Idcm parado.xon obfcniatum in portionc qua- 

 dani tiibuli c d inucnta , ac cxpcrim. I. in cjua acr tin^ 

 ftura ct aqua di(hinftus apparcbat. 



f zo. 



