the mean Denfity of the Earth. 739 
0 / 
0 / 
0 / 
0 / 
4 ' 
2 4 
43 5 
79 
15 
8 52 
80 32 
H 35 
5 
0 44 
47 48 
30 
16 
9 6 
82 S 3 
1641 
6 
O 3O E 
49 46 
3O A 
1 
SECTION . 
7 
2 28 
52 45 
H 3 
205 
Pole, 
Vert. zPs 
Bearings 
DifF. of j 
8 
3 2 4 
54 21 
at t. 
at e. 
Alt. ' 
9 
4 39 
59 ° 
335 
0 / 
0 / 
16 58 
j 
10 
4 54 
62 16 
387 
1 
XI 56 D 
83 D 
1 1 
5 57 
64 50 
5 1 7 
2 
9 12 
35 2 5 
120 
12 
6 16 
6 5 38 
562 
3 
8 14 
64 20 
I9O 
*3 
6 50 
67 39 
666 
4 
8 12 
80 0 
250 
7 11 
69 40 
764 
5 
5 55 
92 52 
2 34 
6 
4 14 
98 36 
J 93 
U 
SECTION 48. 
7 
1 58 
103 12 
IOI 
Pole. 
Vert, al’s 
at v. 
Bearings 
at Y, 
DifF. of 
Alt. 
8 
9 
0 34 e 
1 20 
106 12 
108 26 
39 
92 
1 
© ' 
9 O D 
0 ) 
l 7 3 
164 D 
10 
2 15 
109 6 
J 57 
2 
7 0 
3 ° 5 6 
236 
1 1 
3 7 
no 35 
230 
44 36 
170 
12 
3 49 i 
in 48 
3 ° o 
O 
0 
3 22 
4 
1 16 
47 2 3 
66 
5 
0 5 
49 S 2 
0 
SECTION 50. 
6 
2 46 E 
58 6 
214 a,; 
Pole. 
Vert. z.’s 
Bearings 
DifF. of 
7 
4 57 
64 34 
457 
at l, 
* / 
at w (/ 
Alt. 
8 
S 53 
67 2 
58s 
1 1 
O / 
I7 46 D 
O / 
10 52 
226 D 
9 
6 21 
70 8 
696 
I 2 
17 2 
*3 33 
296 
10 
6 30 
7 2 34 
772 
3 
H 51 
16 2 
333 
1 1 
6 34 
75 13 
857 
4 
10 47 
20 13 
363 
12 
7 4 i 
77 3 2 
1097 
5 
9 26 
23 0 
418 
13 
8 39 
79 6 
1316 
6 
8 54 
2 4 37 
466 
14 
8 46 
79 34 
1361 
I 7 
8 7 
26 16 
508 
vi 
4 Y 2 
