248 
Captain Hall’s details of experiments 
TABLE I. (1st. Series.) 
Times by the Cloch of Transits of Stars at San Bias de California. 
Stars. 
May 14 th. 
May 15 th. 
May 16 th. 
May 17th. 
May 18 th. 
May loth. 
h. m. s. 
h. m. s. 
h. m. s. 
h. m. s. 
h. m. s. 
h. m. s. 
/3 Ursa Maj. 
6 37 z,2i 
6 32 32,20 
6 28 3,52 
6 23 32,03 
6 19 2,31 
6 H 3L43 
4* 
6 45 36,45 
6 41 6,05 
6 36 37,49 
6 32 5,82 
6 27 36,59 
6 23 5,45 
£ Leonis 
6 50 36,46 
6 46 6,89 
6 41 38,86 
6 37 6,40 
6 32 36,97 
6 28 6,40 
y Ursa Maj. 
7 30 15 *97 
7 25 46,48 
7 21 16,58 
7 16 46,02 
7 12 16,03 
7 7 45*29 
£ 
7 52 20,28 
7 47 50,80 
7 43 20,31 
7 3 8 5®*3 6 
7 34 20,51 
7 29 49,88 
Cor. Caroli 
8 33 20,62 
8 28 51,28 
8 24 21,74 
8 19 50,77 
8 15 20,37 
8 10 49,93 
£ Ursa Maj. 
9 2 17,78 
8 57 47*95 
8 53 I9*i3 
8 48 47,90 
8 44 *7*7 2 
g 
9 3 37*54 
8 59 7,90 
8 54 39,15 
8 50 7,61 
8 45 37*67 
3 
9 26 00,22 
9 21 31,00 
9 17 1,42 
9 12 29,94 
9 7 59>9 8 
9 3 28,72 
TABLE II. 
Transits of the Sun. 
Time by Clock at the moment of mean Noon. 
May 14 th. 
15 th. 
16th. 
17th. 
18th. 
19th. 
20th. 
h. m. s. 
11 15 10.17 
h. m. s. 
11 14 36,00 
h. m. s. 
11 14 3,12 
h. m. s. 
11 13 29,84 
h. m. s. 
11 12 53,49 
h. m. s. 
11 12 18,69 
h. m. s. 
11 11 43,80 
TABLE III. 
Rate of the Clock by the Stars Transits. ( Losing.) 
Stars. 
From 14th 
to 15th 
May. 
1 4 to 1 6 
14^17 
1 4 to 1 8 
1 4 to 1 9 
1 5 to 1 6 
1 5 to 1 7 
1 5 to 1 8 
15 toi9 
1 6 to 1 7 
1 6 to 1 8 
1 6 to 1 9 
1 7 to 1 8 
1 7 to I ; 
8 to 1 
34-97 
W'S 
34,66 . 
34, 8 3 
34>7 2 ~ 
34,53 
35,35 ~ 
|3 Ursa Maj. 
4* 
J Leonis 
y Ursa Maj. 
J 
Cor. Caroli 
£ Ursa Maj. 
s 
n 
S. 
34*1° 
34*49 
33*66 
33*58 
33*57 
33*43 
33*92 
33*73 
33*3 1 
s. 
33*43 
33*57 
32,89 
33*78 
34*07 
33*53 
33*4! 
33*28 
33*49 
s. 
34**5 
34*30 
34* 1 1 
34*07 
34,06 
34*04 
3 4*° 5 
34*07 
34,18 
s. 
34*06 
34*05 
33*9^ 
34*07 
34*03 
34*15 
34,10 
34*o6 
34* 1 5 
s. 
34*25 
34,29 
34*io 
34,23 
34**7 
34*23 
34*39 
s. 
32*77 
32,65 
32,12 
33*99 
34*5 8 
33,63 
32*91 
32*84 
33*67 
s. 
34*U 
34*20 
34*33 
34*32 
34*3! 
34*34 
34* 1 1 
34,23 
34,62 
s. 
34’OS 
33*9* 
34*o6 
34*24 
34* '9 
34*39 
34* >7 
34**7 
34*43 
s. 
34*28 
34,24 
34*21 
34*39 
34*32 
34*43 
34*66 
35*5 8 
35*76 
36*55 
34,65 
34*04 
35,06 
35*32 
35*63 
35*57 
s. 
34*69 
34*54 
35*03 
34*36 
33*99 
34*77 
34*79 
34*83 
3 4» 8 1 
s. 
34*79 
34*77 
34*9 1 
34*52 
34*23 
34*69 
34*99 
33*81 
33*32 
33*52 
34,08 
33*94 
34-49 
34,27 
34*03 
34*05 
s. 
34,35 
34,27 
34*°S 
34,45 
34,33 
34,5 1 
34*7° 
Mean Propor- 
tion for rate 
in 3 m , 56 s 
33*75 
+ *09 
33*49 
+ *09 
34*i 1 
+ *°9 
34*07 
+ *09 
34*24 
+ *09 
33*24 
+ *09 
34*29 
+ *09 
34, 1 8 
+ *09 
34*36 
+ *09 
35*35 
+ *09 
34,65 
+ *09 
34*70 
+ *09 
33*95 
+ *°9 
34*39 
+ *°9 
34>4 8 
34>9° 
p ,°9 
34,99 _ 
I 
3 h i6 n 
[.M.19 
Rate in a mean 
solar day. 
J- 33* 8 4 
33*58 
34*20 
34,16 
34*33 
33*33 
34 3 8 
34*27 
3445 
35*44 
34*74 
34*79 
34,04 
Times to which 
the above rates 
are due. 
8 h 4i m 
A. M. 15 
gh, q m 
P.M.I5 
8 h 37 m 
A.M.16 
8 11 3 5 m 
P.M.16 
8 h Z4 m 
A.M.17 
8 h 37™ 
A.M.16 
8 h 35 m 
P.M.16 
8 h 
A.M.17 
8 h 22 m 
P.M.I7 
g h 33 m 
A.M.17 
8 h 31" 
P.M.17 
8 h 20 m 
A.M.18 
8 h 2 9" 1 
A.M.18 
8 h 18" 1 
P.M.i 
I 
