ON SEISMOLOGICAL INVESTIGATION. 185 
14. Excerpt from the Trieste Register. 
Observations corresponding to those in the Shide list, made by Herr EDUARD 
MAZELLE, Astron.-Meteorol. Observatorium, Trieste. Rebeur-Ehlert Horizontal 
Pendulum. Photographie record. 
ve, ee Date aries Maximum | pee End | Remarks 
1899. 
H. M. HAM MM. H. M. ; 
1 | 249 | Jan. 22 8 15°85 8 21°57 84 9 20-20 | Thetimeof com- 
(1'"47) mencement is 
- 2 REIN ier : : = that of the pen- 
2 | 250 . Sf 23 58:38 0 48°86 for) 2 35°70 dutuuy fret set 
in motion. For 
3 | 255 | Feb. 26: | 18 48:36 ; 14 0-77 8 complete _re- 
4 | 257 ny ee 15 28:28 | 15 40°55 4 cords see A. 
5 | 259 i 20 19 50°20 | 20 4:54 5 Ahad. der Wis- 
6 | 260 a 28 22 42°83 | 23 14:52 2 senschaften in 
7 | 263 |Mar. 7 1 6:89 1 42°88 105 219778 | Wien, Febru- 
(0'"'3) ary 1899, and 
8 | 264 ein |’ S535 10) |) 108 3h 13:16 | 11 Oabt.) subsequent 
(Oe 3 publications, 
9 | 266 a Ld 1 24°29 = 1 25-66 
(O'" 06) 
10 | 267 ee 14 46°63 | 15 22:25 55 
(Gi: ne 
11 | 268 Kanes 10 42°80 | 11 5:12 58 12 Oabt 
(0'"13) 
12 | 269 see 14 29°96 | 14 47°69 3°5 15 30°45 
(0'"-08) 
13 | 270 ae Tne pote” | Ttebool T5 15 46°32 
(0/32) 
15. The Bidston Register. 
Darwin Bifilar Pendulum records, from the Liverpool Observatory, Bidston, 
Birkenhead, Cheshire. Director, W. E. PLUMMER, Esq. 
Shide 
No. | No. 
1 as 
2) 180 
3 
4 | 196 
5 | 200 
6 ——, 
“( — 
8 em 
9 — 
10; — 
11 | 225 
12); — 
13 | 228 
144) — 
15) — 
16; — 
| Date Remarks 
18938. 
Mar. 28 | Moderate disturbance about 23h. 44m. 
» 29 | Continual slight disturbances throug] out this period. The 
smallness of the time scale prevents exact identification. 
April 3 | Trace lost by clock failure. 
» 29 | Slight disturbance at about 17 hrs. 
May 20 | At 23h. 30m. “Max. at Oh. 11m., and slight till 2h. 15m. 
» 21 | Commences at 15h., with max. at 17h. 30m. The Shide 
record for 22h. 50m. may have been recorded, but it is 
mixed up with an alteration to determine the time scale. 
» 26 | About 22h. 
June 4 » 1b. 50m. slight. Trace off the scale. 
July 21 | Very slight. , 
» 29 | 10h. a disturbance. 
Aug. 7 | 8h. to Sh. 30m. 
», 19 | Considerable disturbance. 
» 21 | 16h. 50m. to 18h. 
Noy. 7 | 12h. slight. 
OPS GER: os 5, 
| Dec. 31 | 6h. 20m. to 9h. 
