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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis (shelfmarks Leibn. Marg. 100:1/2, Stück 2; Leibn. Marg. 100:1/2)
# Folio 877, page id 851708439:0901
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IRTGONOME FR IA SPH LRTCA. 877
COROL. L AR TV M TIT.
F EbaL. TZZOr :: 5 =Z. LL. 53X lilu. ACF. AO:: DR. DL. (TuPTA.)
COROLL A RZVN IY.
Si L F G A SIE ReCtuS, Crit A PY AO = AGg. B. e. In Friansulo Sphaerico
Rectansulo. P: Z FyDOC. f = Perpend.: x F: EHYBOL. = 3 P expend. = F g Z baI.
Libet hic Theoremata pauca subjungere, quae ului sine ad Circulorum diame.
eros suppucandas in Projectione Sphaerae Scereographica; vel etiam ad Pangentium
ee Sicancium Canones Facilius (E opus FuerH) condendos, aut ad examen re-
vocandos.
DaCaCuE CF TBF. _ CD =-DF =DB. RNOO LKCB
est rectus, SE LDOF = LF = LFCB. _LFCF =LB
= LDCB. ErBO LFCB =LECD = EEDC = Z COm
plementi LDC F. Iinc
T. S. arcus = Tarc. = F: arc. f Z Compl. : - T: 45 f 3
aTC.: CD F DF = EF.
2. s arc. = P arC. = F 3 Compl. = Y: 45 = Z arc. :
CD - DF = FB.
T arC. - L ∞ arC.
∞ aec. ∞ Y arC.
IIcAP SIIdAE S=
FB F FF
FH = - F B
P
Fncerpta c schedis D. Bater, ad meam me-
thodum reducta.
L. F. M M A YI
Omma Sinuum 2 arcuum. Z Sin. : : F, 3Z. arc. P, L Z arc. dinc enim areus
DEA. PA: ErIC F. C. F PH. PC -FH:. FO fFHL P. C -F L
OT:: OL. OF:: NM. NK.
L F M M A YII.
i
 2c. OV. F15. 26.
Z. Cotin. Z cotm. : : r = Z. acc. Y L X acc. Si aecus sint = 90: Alias. Z Cotin.
X cotir. : : Y E Z. ac. rZ X aC. CH + CG. CH = CC:: CH + CC
L.c CV. VH:: 0O. OF:: aN. N R.
EF M M A VTTL
7 Tansencium. X Fang. :: S, Z arc. S, Z arc. Sine eniM arCUS NA, NF,
ost PM. R m :: F. L. FL:: FC. FFL.
S aieus=
L F M. M A CX.
d. ac. n 2 1ace.
BR XFK
Nam (fis. 1.) AF. -
STTTI3
B
L. F M M