GANNETT.] GEOGBAPHIC TABLES AND FORMULAS. 
Table of values of log sec ^ {'^(p). 
268 
A9 
log sec A 
(A<p) 
A<p 
log sec i 
(A<p) 
A9 
log sec k 
(A9) 
Ag) 
log sec i 
(A<p) 
A<p 
log sec h 
(A<p) 
10 
0. 000 000 
28 
0.000 004 
46 
0.000 010 
64 
0.000 019 
82 
0. 000 031 
11 
1 
29 
4 
47 
10 
65 
19 
83 
32 
12 
1 
30 
4 
48 
11 
66 
20 
84 
32 
13 
1 
31 
4 
49 
11 
67 
21 
85 
33 
14 
1 
32 
5 
50 
11 
68 
21 
86 
34 
15 
1 
33 
5 
51 
12 
69 
22 
87 
35 
16 
1 
34 
5 
52 
12 
70 
22 
88 
36 
17 
1 
35 
6 
53 
13 
71 
23 
89 
36 
18 
1 
36 
6 
54 
13 
72 
24 
90 
37 
19 
2 
37 
6 
55 
14 
73 
24 
91 
38 
20 
2 
38 
7 
56 
14 
74 
25 
92 
39 
21 
2 
39 
7 
57 
15 
75 
26 
93 
40 
22 
2 
40 
7 
58 
15 
76 
26 
94 
41 
23 
2 
41 
8 
59 
16 
77 
27 
95 
41 
24 
3 
42 
8 
60 
16 
78 
28 
96 
42 
■ 25 
3 
43 
8 
61 
17 
79 
29 
97 
43 
26 
3 
44 
9 
62 
18 
80 
29 
98 
44 
27 
3 
45 
9 
63 
18 
81 
30 
99 
45 
To convert 
To convert 
Meters to feet. 
Fee 
t to meters. 
Kilometers to stat- 
Statute miles to 
ute miles. 
kilometers. 
1 = 
= 3. 280 833 
1 = 
0.304 8006 
1 
= 0.621 3699 
1 = 
1. 609 347 
2 
6.561 667 
2 
0. 609 6012 
2 
1.242 7399 

3. 218 694 
3 
9. 842 500 
3 
0. 914 4018 
3 
1. 864 1098 
3 
4. 828 042 
4 
13. 123 333 
4 
1.219 2024 
4 
2.485 4798 
4 
6.437 389 
5 
16.404 166 
5 
1.524 0030 
5 
3. 106 8497 
5 
8.046 736 
6 
19. 685 000 
6 
1.828 8037 
6 
3. 728 2196 
6 
9. 656 083 
7 
22.965 833 
7 
2. 133 6043 
7 
4. 349 5896 
7 
11.265 430 
« 
26.246 666 
8 
2.438 4049 
8 
4. 970 9595 
8 
12. 874 778 
9 
29. 527 500 
9 
2. 743 2055 
9 
5.592 3295 
9 
14. 484 125 
