124 
Transactions of the Boyal Society of South Africa. 
Date, 2.17.10. 
Place : Observatory, Johannesburg. 
Pendulum No. 23. 
Thermometer No. 53, 11*62 to 11-67 - 14-62° Cent. 
Barometer, 619-2. 
Amplitude, 11-4 to 10-0 - 10-7 = 21-2'. 
Doubled Distance, 5-2. 
Eate of Clock (Riefler mean time), correct = 1-0027379. 
Coincidences- 
h. 
13 
m. 
46 
s. 
h. m. s. 
Diff. 
18-0 
14 15 25-7 
1747-7 
52-2 
59-8 
•6 
27-8 
35-5 
•7 
02-4 
09-7 
•3 
37-8 
45-7 
•9 
12-2 
20-0 
•8 
47-8 
55-4 
•6 
22-2 
29-8 
•6 
57-8 
05-2 
•4 
32-2 
39-7 
•5 
Mean 1747-61. 
c = 34-9522 I 
2c-l = 6S-9044 \ 
mean time 
.s = 0-5086452 sidereal 
II = 0 
a = - 12 
t = -720 
(1 = - 419 
S = 0-5085301 
