NO. 8.] PENDULUM OBSERVATIONS. 27 
sig q 
5 5 3 Time of Coin- | 5 3 Time of Coin- Oheewed Bake ; : 
alu o : a oO 2 tion of Calculation of Period 
qa|/ ons cidence ors cidence ee 
aa | oe | 6 5 Coincidences 
Zz Zz 
33 | Bar. | 780°35 780°4 Bar. 780°35 = 763°2 
t 4:66 5:07 § = 4:94 = 4°97 
a 63 — 64 45 — 41 G— a0 
hm s hm s m 8s 
1 4 34 59 41 5 30 50 40 c = 55 51:0 c = 838.7488 
2 36 29 42 32 132 512 2c—1 =166'4976 
3 37 46 43 33 37:0? > 
4 39 9 44. 35) 16% 52: log ¢ = 1°9229786 
5 40 34:5 45 36 (20) ? » | log (2c—1) = 2'2214080 
6 41 570 46 37 467 49°7 9°7015706 
7 43 21°0 47 39 29:5 ? » | log 1SHaw. = QABI9 
8 44 44-0 48 40 358 518 log S = 9°7040035 
9 46 96 49 41 573 477 
10 47 338 50 43, 99°7 48'9 S = 05058287 
it 48580 | 54 AA. 14-8 46°8 | aN 
40 c = 55 19°95) <—=— 188° 
Bar. | 780°3 780°35 a EGS 
t 4°76 5:95 ay 
£1 —36 Sg = 0°5057547 
The observations marked with a note of interrogation are entered as unreliable, and 
are therefore not used in the computations. 
34 | Bar. | 780°6 
t 5°63 
a 80 — 54 
hm s 
1 6 23 37-4 
2 95 40 
3 96 13°0 
4 27 388 
5 98 472 
6 30 13°7 
7 31 22:0 
8 32 495 
9 33 578 
10 35 250 
11 36 82°5 
Bar. | 780°7 
t 5°99 
a 72—49 
SFSSSGSRReERS 
780'8 
680 
53 - 34 
hm s 
7 2 60 
99) 97:5 
30 530 
32 19:0 
33 28°0 
34 485 
35 57:0 
37 23:0 
38 32°0 
39 58°7 
41 80 
781 1 
6:99 
4:38 — 30 
Bar. 780°8 = 763'°6 
t = 635 = 7°.09 
a = 525 
ec = 778.489 
%c—1 =153'978 
loge = 18892401 
log (2c—1) = 2°1874587 
9°7017814 
log 18 Haw. = 24329 
log S = 9°7042143 
S = 05060743 
c= — 46 
™=— 38138 
é=— 5A? 
S34 = 0°5059884 
The first 5 observations in the second series must be inaccurate, as there is far too 
great a difference between them and the succeeding observations. 
taken into consideration. 
They are therefore not 
