Principes de la géométrie analytique. Géométrie de l'espace, par L. Painvin.

-~ L~A~t- I) mu
Onic- ae, la — ek-7 0,,/,. /J'r,
6? e-CI ua~-iie ci(3 rual et/ dtcr-ku virl61 6 rLhUC CC6d COIWI{Ul[ epla-a ZO T i.5 ICC
-t / LXI ~~~~, ctLLX~~
Clt~r~nolW el9 enb-l - at' T el- J6LL L~ 1 -
aoec, — ta.-~~. —+-~Clai2e-Lz ('s ti~jeui -le LCIL'L C/C Ulci lrea C~d dZJJi( 6 iC2~r~(L,i) CLITKCL
5 VO 41-O~~~~cjpo~~~t cvrt1-. 'CL e, -/ c i l& ea cw p u-
cL a rcjac (U4, L-e ae-ui J C.6 C[O L,(-i w ~ n a t a U ~ ~ ' ) eL i r~ n W & d x~
iw ~we, cazL idyue jtZ/6CeJ C-L ctiuchar-1 OL4n~m) del 1&! -,w
(7) a a c) le a~w~WCJC/IL CC~tti td{C ka rJ4IrLj a jTAZ~i-L. M etd iv- eon- /q a-a/)/ I l
C C~~~~~~C
L.. 'ce/A I~t(7~l J /1/'L PA-L ce t / I ralc - (I) d'C a
C"ICL 01)b punat.-I let, &kt411a IRV/ cet rtlz//4/ JC' - I
CA $
t~-rtJ L JL- M-t1
P-*
ALILA c11/

(iLL c~l (a I~ax, dat-a Lft: ---t! L/L /Cm~ed/4U /1an. d-t(i cal,,- tc -d (/lLaJIC/~L1
tx~e/CJ; C) CCO dc Jo allee,.) a~i t& 'ctcC cle co c JLc/eC (1) i'ar-iywrldettc
tLC -: ~S&t11ftI t I/Lf)6tueC eldivt CC 16 carue-ala7 tt
Ile J 'e --- ~ a z are 1IC Iy/ )let
JO-rd t /0-. can c CZ 1.1~~~~~~~~~~