Gravity in South Africa. 119 
Date, 11.7.10. 
Place : Observatory, Louren9o Marques. 
Pendulum No. 62. 
Thermometer No. 53, 14*82 to 14*82 19-7P Cent. 
Barometer, 762*0. 
Amplitude, 7*5 to 6*9 = 7*2 = 23-2'. 
Doubled Distance, 3*20 m. 
Bate of Clock, 0*145s./<^ay losing. 
Coincidences — 
h. m. s. 
h. m, s. 
Diff, 
18 14 33-6 
18 40 22*9 
1549*3 
04-8 
54-0 
9-2 
35*6 
24-1) 
9*3 
06-7 
56-0 
9*3 
37*4 
26-9 
9*5 
08*7 
58*0 
9-3 
39-4 
28-9 
9-5 
10-7 
4T-4 
30*8 
9*4 
12-7 
02*0 
9-3 
Mean 1549-34 
c - 30*9868 
2cl- = 60-9736 
mean time. 
s = 0-5082001 sidereal 
u +9 
a = - 14 
t= - 971 
d= - 507 
S 0-5080518 
