.394 
ME. WAEEEN DE LA EEE ON THE 
Proceeding as before, but with the distances of the centres given in Table IV., 
column 6, we obtain, as the rate of approach of the centres per minute between 7 and 9, 
24"‘945 ; and the rate of retreat of the centres per minute, between 41 and 43, 29"-255, 
whence we derive the following : 
Eirst contact. 
li m sec. 
No. 7 . . 1 47 51-6 
No. 8 . . 1 47 62-7 
No. 9 . . 1 47 51-6 
Mean . . 1 47 62 
Last contact. 
h 
m 
sec. 
No. 41 
. . 4 
10 
12*4 
No. 42 
. . 4 
10 
13-8 
No. 43 
. . 4 
10 
12-4 
4 
10 
12-9 
h m sec. 
Duration of the Eclipse . . . 2 22 20-9. 
These numbers agree fairly with the calculations ; for example — 
Eirst contact. 
Last contact. 
Duration. 
li 
m 
sec. 
h m 
sec. 
li 
m sec. 
De La Eue .... 
1 
47 
62 
4 10 
12-9 
2 
22 20-9 
Carrington .... 
1 
47 
66 
4 10 
16-2 
2 
22 19-2 
Farley 
1 
47 
67 
4 10 
16-0 
2 
22 18 
Nos. 22 and 29 
Nos. 22 and 28 
Direction of motion of the moon’s 
centre during totality. 
a 1 II o 1 II 
297 8 26 to 117 8 26 
297 14 34-1 to 117 14 34-1 
Nearest 
approach 
of centres. 
II 
11-10 
11-79 
Eelative 
motion of 
the centres 
per minute. 
27-34 
27-33 
Mean . . 
297 11 29 to 117 11 29 
11-44 
27-34 
The following 
are numbers computed for the sai 
ne elements by 
O 1 II O 1 II 
II 
II 
Carrington . . 
. 297 17 0 to 117 17 0 
13-0 
27-27 
Farley . . . 
12-7 
27-36 
Middle of 
eclipse. 
h. m see. 
3 2 22-6 
3 2 23-2 
3 2 22-9 
li m sec. 
3 2 19-0 
3 2 20 
By combining these results with the results of the peripheral measures akeady given, 
we obtain 
Eirst contact. 
Last contact. 
h m sec. 
h m sec. 
By peripheries . 
. 1 48 3-4 
4 10 3-6 
By cusps . . . 
. 1 47 62-0 
4 10 12-9 
Mean . . 
. 1 47 67-7 
4 10 8-2 
h m sec. 
Duration of the Eclipse ... 2 22 10‘5. 
Peripheries . 
Direction of motion. 
297 8-9 to 117 8-9 
Nearest 
approach 
of centres. 
12-20 
Eelative rate 
of motion 
of centres. 
27-88 
Middle of 
totality. 
h m sec. 
3 2 18-6 
Cusps . . . 
297 11-6 to 117 11-6 
11-44 
27-34 
3 2 22-9 
Mean . 
297 10 to 117 10 
11-8 
27-61 
3 2 20-7 
