8 
Table I — Continued 
Latitude 
Number 
of degrees 
in arc = n 
Meridional 
distance 
=Af-n or Afn 
Log radius 
of spherical 
zone = log T 
r in 
statute 
miles 
60° to 73" 
13 
Miles 
+ 900-805 
+ 970-156 
+1,039-513 
+1,108-876 
+1,178-245 
+ 1,247-620 
+ 1,317-000 
+ 1,386-384 
+1,455-772 
+1,525-164 
+ 1,733-357 
+2,080-378 
3-5988101 
Miles 
3.970- 179 
3.970- 420 
3.970- 650 
3.970- 867 
3.971- 085 
3.971- 295 
3.971- 501 
3.971- 697 
3.971- 886 
3.972- 065 
3.972- 195 
3.973- 229 
60° to 74° 
14 
3-5988365 
60° to 75° 
15 
3-5988616 
60° to 76° 
16 
3-5988854 
60° to IT 
17 
3-5989092 
60° to 78° 
18 
3-5989323 
60° to 79° 
19 
3-5989547 
60° to 80° 
20 
3-5989762 
60° to 81° 
21 
3-5989969 
60° to 82° 
22 
3-5990163 
60° to 85° 
25 
3-5990306 
60° to 90° 
30 
3-5991436 
Table II 
LATITUDE 40*’ 
sin u ~ cos 
sin X 
tan V — cot (f> cos X 
“ {so 
-30°\ 
°-W 
sin 
u 
log sin u 
ti 
log tan u 
V 
loga (seconds) 
a 
Sign 
Q 
O 
f 
If 
O 
f 
If 
O 
t 
W 
5 
2-8245500 
3 
49 
41-56 
0-0745307 
49 
53 
32-65 
3-6795398 
1 
19 
41-23 
— 
10 
1-1239242 
7 
38 
39-37 
0-0695380 
49 
34 
03-16 
3-9717630 
2 
36 
10-50 
— 
15 
1-2972502 
11 
26 
08-27 
0-0611303 
49 
01 
09-00 
4-1327442 
3 
46 
15-13 
— 
20 
1-4183057 
15 
11 
20-13 
0-0491723 
48 
14 
12-13 
4-2355545 
4 
46 
41-03 
— 
25 
T- 5102023 
18 
53 
22-29 
0-0334622 
47 
12 
18-46 
4-3021627 
5 
34 
12-23 
— 
30 
1-5832240 
22 
31 
15-65 
0-0137171 
45 
54 
16-87] 
4-3410516 
6 
05 
30-65 
— 
35 
1-6428453 
26 
03 
52-74 
1-9895510 
44 
18 
38-90 
4-3548119 
6 
17 
16-64 
— 
40 
1-6923215 
29 
29 
55-35 
1-9604405 
42 
23 
38-721 
4-3418386 
6 
06 
10-43 
— 
LATITUDE 45" 
O 
O 
f 
f 
O 
/ 
9 
O 
/ 
9 
5 
2-7897810 
3 
31 
59-83 
1-9983442 
44 
53 
26-80 
3-5190009 
0 
55 
03-70 
— 
10 
T -0891552 
7 
03 
10-87 
T- 9933515 
44 
33 
41-23 
3-8086644 
1 
47 
16-69 
— 
15 
1-2624812 
10 
32 
43-04 
1-9849438 
44 
00 
25-30 
3-9651297 
2 
33 
48-47 
20 
1-3835367 
13 
59 
43-61 
1-9729858 
43 
13 
09-05 
4-0610437 
3 
11 
49-17 
— 
25 
T- 4754333 
17 
23 
15-78 
1-9572757 
42 
11 
10-54 
4,1176063 
3 
38 
30-11 
— 
30 
T- 5484550 
20 
42 
17-32 
1-9375306 
40 
53 
36-21 
4, 1419206 
3 
51 
05-02 
— 
35 
1-6080763 
23 
55 
38-86 
1-9133645 
39 
19 
21-68 
4-1339200 
3 
46 
51-93 
— 
40 
1-6575525 
27 
02 
02-47 
1-8842540 
37 
27 
13-39 
4-0862281 
3 
23 
16-30 
— 
45 
1-6989700 
30 
00 
oo-oo| 
T- 8494850 
35 
15 
51-81 
3-9766207 
2 
37 
55-91 
— 
LATITUDE 50" 
9 
O 
/ 
9 
0 
f 
9 
O 
f 
9 
5 
2-7483635 
3 
12 
41-43 
1-9221577 
39 
53 
32-90 
3-2999709 
0 
33 
15-13 
— 
10 
1-0477377 
6 
24 
31-12 
T -9171650 
39 
34 
07-28 
3-5848926 
1 
04 
04-97 
— 
15 
1-2210637 
9 
34 
35-68 
1-9087573 
39 
01 
30-17 
3-7328156 
1 
30 
05-25 
— 
20 
1-3421192 
12 
42 
00-02 
1-8967993 
38 
15 
20-26 
3-8151718 
1 
48 
53-89 
— 
25 
1-43-10158 
15 
45 
45-72 
1-8810892 
37 
15 
08-47 
3-8507972 
1 
58 
12-45 
— 
30 
1-5070375 
18 
4-1 
50-05 
1-8613441 
36 
00 
18-76 
3-8418683 
1 
55 
48-13 
— 
35 
1-5666588 
21 
38 
04-97 
1-8371780 
34 
30 
09-69 
3-7764335 
1 
39 
36-31 
— 
40 
T-6161350 
24 
24 
16-18 
T- 8080675 
32 
43 
56-67 
3-6089831 
1 
07 
44-27 
45 
1-6575525 
27 
02 
02-47 
1-9732985 
30 
40 
55-40 
3-0476748 
0 
18 
36-03 
— 
50 
1-6923215 
29 
29 
55-35| 
1-7318810 
28 
20 
26-771 
3-4685308 
0 
49 
01-24 
+ 
