178 REPORT—1899). 
have been overcome, and it is expected that better results will be 
obtained, 
The Caleutta Register. 
| Shide | 
Ore | Cons Date Time Remarks 
| No. | | 
1599. | 
Me. eM. “ZS sheet H, ow. Ss | 
1 —- Jan. 18 16 $12 2 | Hndi6 50 10 
2 — Ed 25 21 be “3 eee aon Lt | 
3 == Feb. 18 3 15 52 | 4, 38 29 45 Amp.lessthan2mm.| 
4 — 93 23 3. 883" Wy see sow) = <2). +53, “2p 
5 264 | Mar. 12 8) bt 520 pee) wd 2 pS 
6 266 | ‘9 19 12°36" 1S Oi Re Pio So ibs. ,, Aime 
| Seago. cat 9 12 24 | £3 
8 267 | FF 21 14 43 6 See hoee9 Stbd 
9 269 | 4 2B wee nS) 2.88 pete Sie ¢,, pA amme 
10 | — | a 26 | 11 53 47 | (about) 
The above have been extracted from a selected list of disturbances 
commencing January 15, 1899. 
9. Java: Batavia. Magneetisch en Meteorologisch Observatorium. 
Director, Dr. J. P. vAN DER Srock. 
Observations with the Milne horizontal pendulum commenced on 
June 1, 1898. The period or time of double swing is kept at an average 
of 17 seconds. It is installed in the magnetometer room. The observa- 
tory is situated on a plain of alluvium. Difficulties arising from ‘air 
tremors’ have not been reported from this station. 
The Batavia Register. 
| } Commencement 
| 
i) INo: Shide No. | 5 lft tes ary Duration 
yg a | Small Pul- Maximum 
| sations aA ae 
| 1898. | 
H. M. H. M. H. M. 
{ie = June 4 15 37 15. 3:9 0 13°9 
2 == Fue ike 8 05 § O7 0 35 
3 A 9) 22 Pd eG eS 6 448 0 123 
4 219 | duly 19 4°) gaege ig te eee 0 65 
5 — ° sii 11 32:8 | Jl 375 0 32 
6 Aug 1 16 68 | = 0 38 
z 230 sy LAB 20 13 20 21-7 1 144 
ee8 =2 Sept. 1 9 43 9 10-4 0 31-9 | 
y = ale 18 47°8 18 55°8 0 17-0 
10 BR 8 27°3 $ 28-2 0 44 
Ts) 232 eel 18 21 18107 #8| “OuSn7 
ipelizs 233 ee OD saat | 197-3 12 29-1 0 58:9 
13 = 0 12 40 [ae 2 5D 0 58 
1 es — | Oct. 2 14445 | --14 53: 0 23-4 
15 | = es kien de Ogseiby 2h — Doubtful 
16 [Pie RRC 20277 | 20 362 0 218 
17 235 sei oii 16 49-7} hd 1 105 
18 23 16 Sou 7e aH 4 21:2 0 130 
19 | ae G3 10 54:5 10 55°9 0 23 
20 = se GLS 19 25:0 19 290 0 39:3 
