NO. 8.] 
PENDULUM OBSERVATIONS. 99 
a] 8 .| 4 & é 
2/5 3 | Time of Coin- |S 3 Time of Coin-| 5 i Time of Coin- reed Dire : : 
o|]au 9} ; oO : we o| : tion of Calculation of Period 
g|° = | cidence os cidence os cidence Coineid 
(a | esol ° 3 oincidences 
Z| a Zz | 
33 | Bar. | 769°5 15°.0 Bar. = 7681 
t 775 769 756 t= 7/63-—= 9°68 
a 40—39 3:1—30 24 — 94 295 
hm s hm s km s 
1 11 39 42-4 21 07 6) 9:7 41 0 3238 ? m s c = 798.3705 
2 41 00 92 7 262 42 33 536 «| 40c = 52 536 A%ce—1 =157°'741 
3 42 209 93 8 481 43 35 174 565 
4 43 394 24. 10 50 44 36 32:0 52°6 loge = 1°8996592 
5 45 05 95 11 256? |} 45 37 560 55°5 | log (2c—1) = 2°1979446 
6 46 175 26 12 43:2 46 39 11:0 535 9:7017146 
7 47 39:0 97 14 61 47 40 35:0 560 | log 1S Haw. = 999718 
9 50 178 29 16 442 49 43 13:1 553 
10 51 350 | 30 > 50 44 29°0 AO S = 05057576 
11 52 564 31 19 2-0 51 45 540 576 oe 14 
Bar. TOOL | amer oe FE: 
t 750 en 
a 19 —20 S33 = 0°5056609 
33 | Bar. | 770°1 13°.4 Bar. = 768'6 
t 720 710 t = 713 = 8°.64 
a 63 — 6:0 42 —4:0 = 4°88 
hm s hm s 
1 2 0 987 31 ies ee m §s ce = 798.516 
2 1 4971 32 2 41 346 30c¢ = 39 45°5 2c—1 =158'032 
3 3 78 33 42 528 450 
4. 4 28:4 34 44 134 453 loge = 1900445 
5 5 468 35 45 32:0 45:2 | log (2c—1) = 2:1987450 
6 i 0 36 46 531 4671 | 9°7017095 
7 8 25'7 37 48 11:0 45°3 log 1S Haw. = 29981 
9 11 48 39 50 501 453 
10 12 25:1 4 52 11°0 459 SS = 0°5057520 
11 13 43'8 41 53 29°0 45:2 ee ae 39 
30c = 39 4548 t™=— 382? 
Bar. 77015 13°.0 re Kc 
t 717 7:06 APA 
a | 55—52 4:0 —38 ates ELIE a 
