No. 8.] PENDULUM OBSERVATIONS. 31 
5 g 
a) -2 oa Observed Dura- 
oe ° s 52 . ae 
|S g| Time of Coin: | & g | Time of Coin- | ‘tion of | Caleulation of Period 
a|/ os cidence om cidence ONES 
Oo! 3°5 AE Coincidences 
a 2 Zz 
% 
to 
F 
Qo 
Bo ere 
E ROO mMUNMR MUP wpe 
i~ SS 
am 
FOO OSD OR WD 
ae 
& 
p 
i] 
—_ 
679 
22—D1 
hm s 
10 3 336 
4 89 
4 450 
5 19°9 
5 564 
6 314 
Thai 
7 429 
8 185 
8 536 
9 300 
6°70 
19 —20 
756-2 11°.2 
hm s 
10 57 29:3 
58 42 
58 40-4 
59 15-4 
59 512 
0 267 
le eS) 
1 378 
2 14:0 
2 49:0 
3 25:0 
EFSSSSSRRESRE 
se 
SSSRGSRERS 
6°61 
18—18 
hm s 
10 21 216 
91 57°9 
92 32°3 
B 94 
23 439 
A 203 
DA 552 
25 318 
26 61 
26 42°6 
97 174 
75635 11°.5 
6°54 
jt [—a ky 
95 — OA 
hm s 
1 S799 
27 4571 
98 21-2 
98 359 
29 32:3 
30 67 
30 43°4 
31 185 
31 54-6 
32 30°7 
33 «60 
755'7 10°.9 
6-05 
20 —20 
4AT4 
30 c = 17 48255 
m s 
50 c= 29 40°6 
409 
408 
405 
441 
400 
405 
40°7 
406 
417 
41-0 
50 c= 29 40°764 
Bar. = 755'1 
B— Goo — i710 
a 
c¢ = 353.6085 
2c—1 = 70217 
loge = 15515537 
log (2c—1) = 2°8464423 
9°7051114 
log 1SHaw. = — 11955 
log S = 9°7039159 
S = 05057267 
cz — 05 
t=— 0° 
=— £5338 
Bar. = 7548 
t = 603 = 6°45 
a— 25) 
c = 355.6153 
2c—1 = 702306 
log c = 15516366 
| log (2e—1) = 2'8465264 
9°7051102 
log 1SHaw.—= — 11955 
log S = 9-7039147 
S = 05057253 
a= — 1° 
7=— 9852 
d= — 5363 
Seg = 05056430 
