50 
GEOGRAPHIC TABLES AND FORMULAS. 
[BULL. 214. 
Table 5. — Coordinates for projection of maps {scale ttsVoo) — Continued. 
[From Smithsonian Geographical Tables.] 
Lati- 
tude of 
parallel. 
Meridio- 
nal dis- 
tances 
from 
even 
degree 
parallels, 
Abscissas of developed parallel. 
5' longi- 
tude. 
10' longi 
tude. 
15' longi- 
tude. 
20' longi 
tude. 
25' longi- 
tude. 
30' longi- 
tude. 
Ordinates of developed 
parallel. 
72 00 
10 
20 
50 
73 00 
10 
20 
30 
40 
50 
74 00 
10 
20 
30 
40 
50 
75 00 
10 
20 
30 
40 
50 
76 00 
10 
20 
30 
40 
50 
77 00 
10 
20 
30 
40 
50 
78 00 
10 
20 
30 
40 
50 
79 00 
10 
20 
30 
40 
50 
80 00 
Inches. 
5.858 
11.716 
17. 573 
23.431 
29. 2S9 
5. 858 
11.717 
17. 575 
23. 434 
29. 292 
5. 859 
11.718 
17.577 
23. 436 
29. 295 
5. 860 
11.719 
17. 578 
23. 438 
29. 298 
5.860 
11.720 
17. 580 
23.440 
29. 300 
5.860 
11.721 
17. 582 
23. 442 
29. 302 
5.861 
11.722 
17. 583 
23. 444 
29. 304 
5.861 
11.723 
17. 584 
23. 445 
29. 306 
Inches. 
.906 
.881 
.873 
.865 
.857 
.849 
.841 
.832 
. 824 
.816 
800 
791 
783 
775 
767 
759 
750 
742 
734 
726 
717 
709 
701 
692 
,684 
676 
668 
659 
651 
643 
634 
626 
,618 
,609 
,601 
,593 
,584 
.576 
,568 
,559 
,551 
.542 
.534 
. 526 
.517 
.509 
Inches. 
1.811 
1.795 
1.779 
1.763 
1.746 
1.730 
1.714 
1.697 
1.681 
1.665 
1.648 
1.632 
1.616 
1.599 
1.583 
1.566 
1.550 
1.534 
1.517 
1.501 
1.484 
1.468 
1.451 
1.435 
1.418 
1. 402 
1.385 
1.368 
1.352 
1.335 
1.319 
1 . 302 
1.285 
1.269 
1.252 
1.235 
1.219 
1.202 
1.185 
1.169 
1. 152 
1. 135 
1.119 
1.102 
1.085 
1.068 
1.052 
1.035 
1.018 
Inches. 
2.717 
2.693 
2.668 
2.644 
2.620 
2.595 
2.571 
2. 546 
2. 522 
2. 497 
2. 473 
2.448 
2.424 
2. 399 
2.374 
2. 350 
2.325 
2.300 
2. 276 
2. 251 
2.226 
2. 201 
2.177 
2.152 
2.127 
2. 102 
2.078 
2.053 
2.028 
2.003 
1.978 
1.953 
1.928 
1.903 
1.878 
1.853 
1.828 
1.803 
1.778 
1.753 
1.728 
1. 703 
1.678 
1.653 
1.628 
1.602 
1.577 
1.552 
1.527 
Inches. 
3.623 
3.590 
3. 558 
3.525 
3.493 
3.460 
3.428 
3.395 
3. 362 
3.330 
3. 297 
3.264 
3.232 
3.199 
3. 160 
3.133 
3.100 
3.067 
3.034 
3. 002 
2.968 
2.935 
2. 902 
2.870 
2.836 
2.803 
2.770 
2.737 
2.704 
2. 671 
2.638 
2. 604 
2. 571 
2.538 
2. 504 
2. 171 
2.438 
2. 404 
2. 371 
2.338 
2.304 
2.270 
2. 237 
2.204 
2.170 
2. 136 
2.103 
2.070 
2.036 
Inches. 
4. 529 
4.488 
4.447 
4.407 
4.366 
4. 325 
4.285 
4. 244 
4. 203 
4. 162 
4.121 
4.081 
4.040 
3.999 
3. 957 
3.916 
3.875 
3.834 
3.546 
3.504 
3.463 
3. 421 
3.380 
3. 339 
3.047 
3.005 
2.964 
2.922 
2.880 
2.838 
2.797 
2. 755 
2. 713 
2.671 
2.629 
2.587 
2. £45 
Inches. 
5.434 
5.386 
5.336 
5. 288 
5.239 
5.190 
5.141 
5. 092 
5. 044 
4. 994 
4. 945 
4. 897 
847 
798 
748 
699 
650 
601 
3.793 
4.552 
3. 752 
4.502 
3.711 
4.453 
3.669 
4.403 
3. 628 
4. 354 
3. 587 
4.304 
4.255 
4.205 
4.155 
4.105 
4.056 
4.006 
3. 297 
3.956 
3. 256 
3.907 
3.214 
3.856 
3.172 
3.806 
3.131 
3.757 
3.089 
3.706 
3. 656 
3.606 
3. 556 
3. 506 
3.456 
3.406 
3.356 
3. 305 
3. 255 
3.205 
3.155 
3.104 
3.054 
Longi- 
tude 
inter- 
val. 
. 
Inches. 

0.001 
10 
.003 
15 
.006 
20 
.010 
25 
.016 
30 
.023 
74° 
5 
0.001 
10 
.002 
15 
.005 
20 
.009 
25 
.014 
30 
.020 
76° 
5 
0.001 
10 
.002 
15 
.005 
20 
.008 
25 
.013 
30 
.018 
78° 
5 
0.000 
10 
.002 
15 
.004 
20 
.007 
25 
.011 
30 
.016 
73° 
Inches. 
0.001 
.002 
.005 
.010 
. 015 
.021 
75° 
0.001 
.002 
.005 
.009 
.013 
.019 
0.000 
.002 
.004 
.007 
.012 
.017 
7'.)' 
0.000 
.002 
.004 
.006 
.010 
.014 
