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Contributed by Yale Peabody Museum of Natural History.
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Transcription
TABLE V. TANGENTS AND EXTERNALS TO A 1° CURVE
I
T
E
I=10°
I
T
E
I=20°
I
T
E
I=30°
1°
50.00
.218
+
11°
551.70
26.500
+
21°
1061.9
97.577
+
10'
58.34
.297
20'
560.11
27.313
20'
1070.6
99.155
20'
116.68
.388
5° C.
10'
568.53
28.137
5° C.
10'
1079.2
100.75
5° C.
30'
75.01
.491
T
30'
576.95
28.974
T
30'
1087.8
102.35
T
40'
83.34
.606
.03
40'
585.36
29.824
.06
40'
1096.4
103.97
.10
E
50'
91.68
.733
E
50'
593.79
30.686
E
50'
1105.1
105.60
E
2°
100.01
.873
.001
12°
602.21
31.561
.006
22°
1113.7
107.24
.013
10'
108.35
1.024
10'
610.64
32.447
10'
1122.4
108.90
20'
116.68
1.188
20'
619.07
33.347
20'
1131.0
110.57
30'
125.02
1.364
30'
627.50
34.259
30'
1139.7
112.25
40'
133.36
1.552
40'
635.93
35.183
40'
1148.4
113.95
50'
141.70
1.752
50'
644.37
36.120
50'
1157.0
115.66
3°
150.04
1.964
10° C.
13°
652.81
37.070
10° C.
23°
1165.7
117.38
10° C.
10'
158.38
2.188
T
10'
661.25
38.031
T
10'
1174.4
119.12
T
20'
166.72
2.425
20'
669.70
39.006
20'
1183.1
120.87
.19
30'
175.06
2.674
.06
30'
678.15
39.993
.13
30'
1191.8
122.63
.19
40'
183.40
2.934
E
40'
686.60
40.992
E
40'
1200.5
124.41
E
50'
191.74
3.207
.003
50'
695.06
42.004
.011
50'
1209.2
126.20
.025
4°
200.08
3.492
14°
703.51
43.029
24°
1217.9
128.00
10'
208.43
3.790
10'
711.97
44.066
10'
1226.6
129.82
20'
216.77
4.099
20'
720.44
45.116
20'
1235.3
131.65
30'
225.12
4.421
30'
728.90
46.178
30'
1244.0
133.50
40'
233.47
4.755
40'
737.37
47.253
40'
1252.8
135.35
50'
241.81
5.100
15° C.
50'
745.85
48.341
15° C.
50'
1261.5
137.23
15° C.
5°
250.16
5.459
T
15°
754.32
49.441
T
25°
1270.2
139.11
T
10'
258.51
5.829
.09
10'
762.80
50.554
.19
10'
1279.0
141.01
.29
20'
266.86
6.211
E
20'
771.29
51.679
20'
1287.7
142.93
20'
275.21
6.606
.004
30'
779.77
52.818
30'
1296.5
144.85
E
30'
283.57
7.013
40'
788.26
53.969
.017
40'
1305.3
146.79
.038
40'
292.92
7.432
50'
796.75
55.132
50'
1314.0
148.75
6°
300.28
7.863
16°
805.25
56.309
26°
1322.8
150.71
10'
308.64
8.307
10'
813.75
57.498
10'
1331.6
152.69
20'
316.99
8.762
20'
822.25
58.699
20'
1340.4
154.70
20° C.
30'
325.35
9.230
30'
830.76
59.914
30'
1349.2
156.69
20° C.
40'
333.71
9.710
T
40'
839.27
61.141
T
40'
1358.0
158.72
40'
342.08
10.202
50'
847.78
62.381
50'
1366.8
160.76
T
.39
7°
350.44
10.707
.13
E
17°
856.30
63.634
27°
1375.6
162.81
.39
E
10'
358.81
11.224
10'
864.82
64.900
10'
1384.4
164.86
.051
20'
367.17
11.753
20'
873.35
66.178
.022
20'
1393.2
166.95
30'
375.54
12.294
30'
881.88
67.470
30'
1402.0
169.04
40'
383.91
12.847
40'
890.41
68.774
40'
1410.9
171.15
50'
392.28
13.413
50'
898.95
70.091
50'
1419.7
173.27
8°
400.66
13.991
25° C.
18°
907.49
71.421
28°
1428.6
175.41
10'
409.03
14.582
10'
916.03
72.764
25° C.
10'
1437.4
177.55
25° C.
20'
417.41
15.184
20'
924.58
74.119
20'
1446.3
179.72
T
30'
425.79
15.799
30'
933.13
75.488
T
30'
1455.1
181.89
T
40'
434.17
16.426
.16
40'
941.69
76.869
.32
40'
1464.0
184.08
.49
E
50'
442.55
17.065
E
50'
950.25
78.264
E
50'
1472.9
186.29
E
9°
450.93
17.717
.007
19°
958.81
79.671
.028
29°
1481.8
188.51
.065
10'
459.32
18.381
10'
967.38
81.092
10'
1490.7
190.74
20'
467.71
19.058
20'
975.96
82.525
20'
1499.6
192.99
30'
476.10
19.746
30'
984.53
83.972
30'
1508.5
195.25
40'
484.49
20.447
40'
993.12
85.431
40'
1517.4
197.53
50'
492.88
21.161
50'
1001.7
86.904
50'
1526.3
199.82
30° C.
10°
501.28
21.887
T
20°
1010.3
88.389
30° C.
30°
1535.3
202.12
30° C.
10'
509.68
22.624
T
10'
1018.9
89.888
T
10'
1544.2
204.44
T
20'
518.08
23.375
.19
20'
1027.5
91.399
.39
20'
1553.1
206.77
.59
30'
526.48
24.138
30'
1036.1
92.924
30'
1562.1
209.12
E
40'
534.89
24.913
E
40'
1044.7
94.462
E
40'
1571.0
211.48
E
50'
543.29
25.700
.008
50'
1053.3
96.013
.034
50'
1580.0
213.86
.078
T = R tan ½I
E = R exsec ½I