the mean Denfity of the 'Earth 
77 5 
1 3. For the fum of the fines below p in the N . W . quarter. 
Rings. 
Radii. 
Sum of 
Dep. 
3^2 = 
Sum of 
Tang. 
I 
2 
3 
4 
5 
6 
7 
8 
9 
10 
1 1 
12 
Sum of 
Diff. 
I 
333 t 
79° 
2-370 
1 2 
9 
8 
7 
5 
5 
0 
2 
1 
I 
066 
2 
iooo 
3 i 7° 
3-17° 
26 
25 
21 
17 
14 
12 
9 
6 
1 
5 
0 
D 
2 
140 
3 
1667 
4980 
loo 
00 
cr 
1 5 
M 
1 3t 1 2 
12 
1 1 
9 I 8 
7 
5 
2 
108 
4 
2333 
6200 
2-657 
; 16 
10 
1 9 | 9 
8 
7 
6 1 S i 5 1 
i 4 1 
I 2 
75 
5 
3000 
1 7270 
2*423 
10 
15 
111 
~6~ 
jl 
5 i 4 I 3 
hi 
1*1 
61 
6 
3667 
7800 
2*127 
7 
6| 
sis 
4 
0 
0 
3 I 3 
*l 
1* 
1*1 
40 
7 
4333 
7975 
1*840 
5 
4 1 4 | 3 
3 
2 
2 | 1 
1* 
1*! 
1*1 
27 
8 
5° o ° 
8280 
1*656 
0 
J 
3 
h | 2 
2 
1 
*1*1 
l* 
1* 
1 
1 
: 17 
9 
5667 
8660 
1-528 
2 
1 
hi'* 
2. 
1 
*1* 
l * 
1 = 
1*1 
1 
14 
10 
6 333 
893s 
1*41 1 
1 
1 1 
1*1* 
1 
1 
*1* 
l> 
1* 
1 * 
1 
1 ** 
1 1 
7000 
9 5 8o 
1-369 
1 
i 
1*1 
1 
1 
*1* 
l> 
I 
1* 
1 
1 9 
12 
7667 
10280 
1 341 
1 
1*1 
1 
1 
*1* 
i * 
1* 
! * 
1 
i 9 
13 
8 333 
1 1200 
i - 344 
1 
I * 1 * 
1 
r 
1 1 1 ! 
1* 
1* 
1* 
1 
1 
26*224 n fum of the tangents. 1 0*58 7 
0*587 fum of the differences. 
125*637 z= fum of the lines. 
14. For the fum of the fines below p in the N.E. quarter. 
1 
1 * 1 2 1 3 l 4 | 5 | 6 [ 7 |8 | 9 | 
1 o| 
**1 
1 2 1 
1 
1 
3337 
625 
*•875 
hlslsklshhl*! 
I 
*1 
1 
1 
•° 3 2 
2 
1000 | 
2755 
2*755 
I 1 7 |* 6 ji 5 |* 3 |i *| 9 1 6 | 5 1 3 
l 2 i 
1*1 
I 
98 
3 
1667 | 
LO 
00 
2*913 
l I Sl* 4 l* 3 l* 2 | 1 *|*°| 9 1 8 | 6 | 4 
hi 
I *C 4 
4 
2333 i 
7000 
3*000 
1 * *l I2 l* 3 l I 3 l l 3 l* 3 l I *l 9 h | 4 1 2 | 
| IO7 
5 
3°°° | 
8500 
2-833 
|ii|ii|ii|ii|ii|io|io| 9 
7 J 
5 
2 J 
I 
98 
6 1 
i 3667 j 
9580 
2-613 
J 6 | 7 |l| 8 | 8 | 8 _| 8 | 6|_ 5 |4 
hi 
1 6 9 
7 1 
1 4333 1 
1035 ° 
2-389 
Islsl 5 ! 4 i 4 | 4 ls| 5 isl 4 
1 2 1 
I 
49 
. 8 
1 5 000 1 
I 1 840 
2-368 
| 3 |2|2|2|2|l|2|3|3|3| 3 | 
l 1 
1 27 
. 9 
1 5667 1. 
8400 
1*482 
| 1 | 1 | * | * | * | * | | 1 
1 2 
1 2 
2 I 
I 
1 
10 
1 6333 j 
7610 
1*202 
*1*1 *11 *1 l*i 
1 
1* 
1*1 
1 
1 9 
1 1 
| 7000 | 
7930 
1-133 
1*1 1*1 1*1 1*1 
1 
I* 
1* 
I 
1 7 
12 
I 7667 | 
88 to 
1*149 
1*1 1*1 1*1 1*1* 
1 
1* 
1*1 
I 
1 , 8 
*3 
I 8 333 1 
8980 
1-078 
II* 1*1 1 * 1 * 
i 
1* 
1* 
I 
1 7 
26*790 zz lum of thetangents. | *629 
•629 zz fum of the differences. 
26’i6i zi fum of the lines. 
