Unnumbered pageScan 37 of 53
Drawing: triangle; labels: 72, 71, 72.5, 44-12½, 45.24, (101.80)
A 45.24 a 72.5 } 48° Sm B = Sm Aa · b b 71- 13} 37
9.85250 1.86034 7.99216
Line
4/13 1.85126 9.84342
44-12
Line
B = 44.12.37 45 24
Line
89.36.37 - Sin = C 90.23.23
a = aSin A · Sin C
1.86034 9.953210
Line
2.00784 a =
Line
2.00783
Line
Line
101.80
Drawing: triangle; labels: A, 33, B, 33 right, 42-18, 58-1½, 79.40½, C, Suppose
33 1.51851
Line
Sin B : 9.92534 1.58997 S 70.40½ 9.99291
Line
1.58188
b = aSin A · Sin B
A Suppose 36.50 right o 33 rung
1.56229 999291
Line
1.56938 9.92534
Line
1.49492
38.27
Line
r 36.50
31.47 to 33°
Drawing: triangle; labels: C, A, B, 33, 42-18, 58-1½, 79.40½, 36.50, a, b
9.99291 1.56229
Line
1.57851 9.94913 33 1.57851
Line
B = 62-48½ 79 40½
Line
142 29
C 23.31 40-31
Line
142 29
If 33 - 36.50 & 42°18 C is not ta - ½ (A - B) = a - ba + b · Ta ½ (A + B) 3.50 0.54407 69.50 1.84198
Line
8 · 70209 10 41743
Line
9.11452 [arrow to left]
½ (A - B) 7° 25' A 76.16
Line
B 61.26 42-18
Line
190.0
bSin B = aSin A ; K4 - 5 Sin B = Sin A · ba : Sin B = Sin Aa × b :
#5 - 4 24,217 #4 - 5 62.22 - K4 18-38 43.43
Line
4 - 45°
Line
43.43 88.43
Line
91.57
VI - VII 33 VII - VIII 42 31 45
a If 33 is 36.50 : & 79.40½ right A 1.56229 9.99291
Line
1.56938 86°21'39 S = 79 Sin
23 44 29 24 7 49
Line
20 31 37 42-18
(137-42 : 68-51 Ta)
½ C is not = 37 23 31 most of 42.18
reading at VII pkd b 76.16 on 79.40½ 3.24½ 76.16 19.13 57.3 307.57 on 249.34½
65 figures hard to readstruck struck outadded written in above” jug ditto, and what it repeatsword reading not certain