68 
GEOGRAPHIC TABLES AND FORMULAS. 
[BULL. 234. 
Table 7. — Coordinates for projection of maps {scale eg^eo) — Continued. 
[From Smithsonian Geographical Tables.] 
Lati- 
tude of 
parallel. 
Meridio- 
nal dis- 
tances 
from 
even 
degree 
parallels. 
Abscissas of developed parallel. 
Ordinates of developed 
parallel. 
5' longi- 
tude. 
10' longi- 
tude. 
15' longi- 
tude. 
20' longi- 
tude. 
25' longi- 
tude. 
30' longi- 
tude. 
/ 
63 00 
1^ 
20 
30 
40 
50 
64 00 
10 
20 
30 
40 
50 
65 00 
10 
20 
30 
40 
50 
m 00 
10 
20 
30 
40 
50 
67 00 
10 
20 
30 
40 
50 
68 00 
10 
20 
30 
40 
50 
69 00 
10 
20 
30 
40 
50 
70 00 
Inches. 
69.253 
Inches. 
2.624 
2.609 
2.594 
2.579 
2.564 
2.549 
2. 534 
2.519 
2.504 
2.488 
2.473 
2.458 
2.443 
2.428 
2.412 
2.397 
2.382 
2.366 
2. 351 
2.336 
2. 320 
2. 305 
2. 290 
2.274 
2. 259 
2.243 
2.228 
2. 212 
2. 197 
2.181 
2. 166 
2.150 
2. 134 
2.119 
2.103 
2.088 
2.072 
2. 056 
2. 040 
2. 025 
2.009 
1.993 
1.977 
Inches. 
5.248 
5.218 
5.188 
5.158 
5. 128 
5.098 
5. 068 
5.037 
5. 007 
4.977 
4.947 
4.916 
4.886 
4.855 
4.825 
4.794 
4.764 
4.733 
4.702 
4.672 
4.641 
4.610 
4. 579 
4.548 
4. 518 
4.487 
4.455 
4.424 
4.393 
4.362 
4.331 
4.300 
4. 269 
4.237 
4.206 
4.175 
4.144 
4.112 
4.081 
4.049 
4.018 
3.986 
3.955 
Inches. 
7.872 
7. 827 
7.782 
7.737 
7.692 
7.647 
7. 602 
7.556 
7.511 
7.465 
7.420 
7.374 
7.329 
7.283 
7.237 
7.191 
7. 145 
7.100 
7.054 
7.007 
6.961 
6.915 
6.869 
6.823 
6. 776 
6. 730 
6.683 
6.637 
6.590 
6. 543 
6. 497 
6.450 
6.403 
6.356 
6.309 
6.263 
6. 216 
6.169 
6.121 
6.074 
6.027 
5.980 
5.932 
Inches. 
10. 496 
10.436 
10. 376 
10.316 
10. 256 
10. 196 
10. 136 
10. 075 
10. 014 
9.954 
9.893 
9.832 
9.772 
9.711 
9. 650 
9.588 
9.527 
9.466 
9.405 
9. 343 
9. 282 
9. 220 
9.158 
9.097 
9. 035 
8.973 
8.911 
8.849 
8.787 
8.724 
8.662 
8.600 
8.538 
8.475 
8.412 
8.350 
8.288 
8.225 
8. 162 
8.099 
8.036 
7.973 
7.910 
Inches. 
13. 120 
13. 045 
12. 970 
12. 895 
12.820 
12. 745 
12. 670 
12. 594 
12. 518 
12.442 
12. 367 
12.291 
12.215 
12. 139 
12. 062 
11.986 
11.909 
11.833 
n.v» 
11 . 679 
11.602 
11.525 
11.448 
11.371 
11.294 
11.217 
11.139 
11.061 
10. 984 
10. 906 
10. 828 
10. 750 
10. 672 
10. 594 
10. 516 
10.438 
10. 360 
10. 281 
10.202 
10. 124 
10.045 
9.966 
9. 888 
Inches. 
15. 744 
15. 654 
15. 564 
15. 473 
15.383 
15.293 
15. 203 
15. 112 
15. 022 
14.930 
14.840 
14. 749 
14.658 
14.566 
14. 474 
14. 383 
14. 291 
14. 199 
14.107 
14. 015 
13.922 
13. 830 
13. 738 
13. 645 
13.553 
13. 460 
13. 366 
13.273 
13. 180 
13. 087 
12.994 
12. 900 
12.806 
12. 712 
12.619 
12. 525 
12. 431 
12. 337 
12. 242 
12. 148 
12. 054 
11. 959 
11. 865 
Longi- 
tude 
inter- 
val. 
63° 
64° 
11.544 
23. 087 
34. 631 
46. 175 
57. 718 
69.262 
5 
10 
15 
20 
25 
30 
Inches. 
0. 002 
.007 
.015 
.027 
.043 
.061 
Inches. 
0.002 
.007 
.015 
.026 
.041 
.060 
11.545 
23. 091 
34.636 
46. 182 
57. 727 
69. 272 
65° 
66° 
11. 547 
23. 094 
34.641 
46. 188 
57. 735 
69. 282 
5 
10 
15 
20 
25 
30 
0.002 
.006 
.014 
.026 
.040 
.058 
0. 002 
.006 
.014 
. 025 
.039 
.056 
11.548 
23. 097 
34. 646 
46. 194 
57. 742 
69.291 
67° 
68° 
5 
10 
15 
20 
25 
30 
0.001 
.006 
.014 
.024 
.038 
. 054 
0.001 
.006 
.013 
.023 
.036 
.053 
11. 550 
23. 100 
34. 650 
46.200 
57. 750 
69. 300 
11. 552 
23. 103 
34. 654 
46.206 
57.758 
69.309 
69° 
70° 
5 
10 
15 
20 
25 
30 
0.001 
.006 
.013 
. 022 
.035 
.051 
0.001 
.005 
.012 
.022 
.034 
.049 
11. 553 
23. 106 
34. 659 
46.212 
57. 764 
69. 317 
