NO. 8. PENDULUM OBSERVATIONS. 51 
g 4 Oy |) A oy Observed Dura- 
a/O g Time of Coin-| S £ | Time of Coin- 5 4 
ry) Ween : a o tion of Calculation of Period 
ga} os cidence om cidence we 
ay 6 & 6 8 Coincidences 
Z Z 
33 t 8:79 8°74 Bar. = 766'8 
a 57—5'8 47 —48 t = 8:16 = 142.88 
hm s hm s m Ss a= 507 
1 4 18 18:0 41 4 34450 |40c—21 270 
= 325.1684 
2 13499 | 42 35 169 27-0 Ay oe Ee ages 
3 14.293 | 43 35 49-2 269 - 
4 14 54-6 44 36 2171 26'5 loge = 15074295 
5 15 26°6 45 36 534 968 | log (2c—1) = 1°8016561 
6 15 58'6 46 37 95'°5 26°9 9°7057734 
7 16 31:0 47 37 577 267 | log 1SHaw.—= — 18644 
8 uly akal 48 38 29'8 26°7 2002. 
log S = 9°7039093 
9 17354 | 49 39 20 266 og8 
10 18 76 50 39 341 26°5 
S = 05057191 
if 18 397 | 51 4062 | —- 965 ad SATs, 
40 c= 21 26°736 Es a 
PS) se 872 (me pres 
53 — 54 44. — 45 
ie Spa —= 0°5056128 
Distance 7 = 2145 mm. 
34 t 8:54 8:62 Bar. = 767°1 
a 58 —5:7 4:8 — 4:9 p= SED) SS NOs 
hm s hm s m s ao— on 
1 5 8 955 41 5 29135 |40c= 20 480 
= 318.1997 
2 8566 | 42 99 44:7 481 he ae 
3 9 28:0 43 30. > » 
4 9 59:2 44. 30 47:1 479 loge = 14941504 
5 10 303 45 31 183 480 | log(2ce—1) = 1°7881641 
6 int as} 46 31 49-4 478 9°7059863 
7 11327 | 47 32 20'8 48:1 | log 1SHaw. = — 18644 
8 12) 3:7 48 32 519 48:2 
= 9°7041222 
9 12 352 | 49 33 93:0 478 as : 
10 13 62 50 33 54:2 48'0 S = 0:5059670 
11 13 374 51 34 254 eee 28480) eo 40 
Wc = 20 47:99 c=— £5105 
t 8:58 8:63 ESE 
a 52 — 53 45 — 46 Su — 05058620 
