F L V I D O R V M. 2«Fa 



vniformcm tribiian.us , fituni autcm tencjit \crt:ca- 

 lcm , ct ita calurc d utrlo i\t affcdub , \t in A fit 

 caior n.axin us> ~ 1-4-a, in B \cro muiiR.Ub — i 

 — a , in loco autcn. c]uouis n edio S pcfito a: gulo 

 AOS~C|) fit ca oris giadus n 1 +aco: CP, cx licnte 

 diamctro AB horlzontali. Vncie fi in S LCi.fitas 

 atris fit rr^, et prcflio fcu chifticitas :zrp, cxpe- 

 j;ient;a nouuiius prcllioncm p cffe in ratione com- 

 pofita dcnfiiatis q ct calcris i -|- a cof. (J) , \nde po- 

 namus /> ^/7^( i H-acof (p). lam cum motum 

 iplum detcrminare non liceat , flatunmus in A lep- 

 tum , quo omni?» motus compclcatur , ct ob 'y:^© 

 aequ.itio flatum aeris exprimens crit r 



-fi-Ts' -+- -rr — o feit ~[^dz==o 



"vbi z denotat altitudincm jZ~fl,rni,4) pofito radio 

 circuli -zza. 



41. Cum nunc fit ^ =: FcTt;?^:^ , flequatio 

 nollra hanc induct furmnm .' 



' p -1-1 -+-a.a.$ — O leU p -t- . ^« ,-oj.<j, __ O 



vel -77- -+- ^Cp - njT^? — o 

 cuius intJgrale repcritur : 



V //» -H Cp - vT.rb^ Ang. fm. ^^•.-?,^i^' :r C 

 Tnde pro prcfllone fupra fcptum Aa ponendo <^—q 



C_a 



proiit pro preirione V/i^ — C feu /> — ^**. 



Facia- 



