[ 54^ I 
Parallelepipeda in totidem Cuneos, feu-Prifinatarbafium 
triangularium, (Parallelepiped orum, fingula (ingulo- 
ram, adeoq^ omnia omnium, fub-duplaj redigantur; 
Acies feu Vertices habentia totidem C puncta (feu line- 
olas minutas) in Axe Cylindri conftituta , eunq^ 
complentia : Fiet Cylindrus rParallelepipedi Dimidius) 
Vel (in ordine ad Sph^rani integram) fi fumatur, 
trinq^, Altitudo R, (ut fit tota Aldcudo D=^2R^ ) Fkt 
(^convolutione paricer fafta,) Cylindrus (ut priusj ex 
Cuneis feu Prifmatibus numero infinitis (Vertices feu A- 
cie^ habentibus in Axe Cylindri :) =RRP =iRPx2R) 
sequalis Fado ex iRP (circulari Bafe) in Altitudiaem 
2R : feu fquod tantundem eftj = iRxiRP^ ^qualis 
Fa(9x) ex iR ("femiflTe communis Altitudinis CuneorumJ 
in (B^liqm aggregatura) 2RP. 
Quo4 quidem Bafium Aggregatum, eft, ipfa Cylin- 
drica fuperficies Curva =P x2 R (^qualis Fafto ex 
Bafis Citcularis Peripheria P iri Altitudinem 2jRduda:) 
feu ijRPx4v ("sequalis Quatuor Circulisin Sphsera max> 
mis:) Quibqs fi accenfeantur, oppofitse duae Bafes Cir- 
culares 5 Fiet Cylindri (Spha^r^e circumfcripti) tota fu- 
perficies, ^qualis fexcirculis Maximis, =:iRPx6=:}RP. 
Et Cylindri Magnitudo, =RRP =lRPx2R , xqualis 
Fafto ex. ^fe .Circulari JfiP-ia Altitudinem duda : 
utprius. ' : 
Quoifi porro, Cuneorum horum omnium Vertices 
f Cylindri , Axem ComplentesJ intelligantur in unum- 
puodum contrahi : quo Cunei illi, ceu Pnfmata, jam 
fiant todidera Pyramides, fuper eifdem Bafibus ^eque* 
alt^e 5 finguise fingularura, adeoq^ omnes omaium, fub-* 
fefqui terti^e^ . feu ut I ad ^V^ & (up^rficies, prius Curva 
Cylindrica, jam fiat Spha:rica propter ejus omnia punda 
sequaliter a Centro remora ^ ; manente quod prius erat 
Bafigm Aggregato =.2£P, quatuor Circulis M-iximis 
" Krrr2 ' i^quali :) 
