fides of triangular Pyrimids, t 
i have* thbu^Ht a, thihg worth confide- 
ratiori^ that by a Cube cut*|liort jtiay be^ 
exadiy rtprefeiitei the whblehiihib'br 
plain$ in the fort of the AnguMr 
Pbdies, of Itoh i For are dx fivis*'' 
fided plaihij; Which ate cdineideht^ 
the plains of thb Chbdjand by fddr aii^ 
gibs do bifcbf iScH iidfe'of the fiia-rn^bi 
the Cube V all'the oihei i>lafiis'are fouhif 
ih the aiiglei of the Cubei whidh dfter I 
certain maiiher ate edt fhibtt; ’ ^ 
: There i? yet another thing in the iarae 
Atigiilgr Bodies of Irbri^ not left to be 
adn^hed, wKi^H' ft, That ih 
ibtfbf we Angalat' Irbd*bddiBS the ^ 
tteme^ *tl^ d^e ftitbafeed' dtid;fiVe^ 
in-pic^reft of tii^B'at'eJclial^’dm- 
tp th ree-iidecf ohds bhf’ thethtetltitdi^ 
dteplairid, ^^ich 31*6 thtee^flded'ahd pb»' 
Hilled^ becbhld hve^ fided V havThg 
Oghtfatiglbd^ Ah|les clb|e tb;'bhe ^ ahb'| 
ther 5 blit- bitwixt every two hve-ddbd 
plains/ by which thd'e eigh^-ahgftd^aU-| 
f leS tbuclf each othet, there; ate.Ti^ib| 
riangks or two three'latt^al pi iihS 
lillawifl polifli d 5 fo that the Second 
F a fort 
