No. 8.] PENDULUM OBSERVATIONS. 18 
8] -2 By bserved Dura- 
=/S &| Time of Coin- | S 3 | Time of Coin- ® : ; waa 
=e} || CS : a é tion of Calculation of Period 
g| om cidence ont cidence eat 
oo 22 Coincidences 
i es Z 
Christiania (the Observatory). Observer, Professor Scurorz. 
Distance 1 = 1691 mm., thermometer 20, barometer Adie 1504. 
July 21, 1892. 
Comparison of Clocks. 
Pendulum Hohwii Error of Pendulum 
hm s hm s s 
5 11 32 9 12 26 July 21, 3? a, m. 5494 log 18 Hohwii = — 35. 10-7 
104446 = 2 44 4555 > 92, —»— 55°95 
Hohwii Hawelk Hohwii Hawelk 
hm s hm s hm s hm s log Hohwtti = 2'8456044 
12 40 39°5 SFd55 520 2 37 28 11 51 93 log Hawelk = 2°8427756 
41 57 56 37 38 455 52 40 0:0028288 
43 15°5 57 55 40S) 53.57 log 18 Hohwiti = — __35 
12 44 57:33 9 56 37°33 2 38 455 11 52 40 log 18 Hawelk = 0°0028253 
Bar. 122 94m TERS} A) = FESS 7h, Qh 49m TEAS 3} SS VBS 
33 t 13:32 13°36 Bare—niDon 
a 48— 48 36 — 3:8 == (ess = ie 
hm s hm s m s a = 393 
1 10 6365 | 2 10 36 536 | 0c =30 174 co = 908.8435 
wy) 8 89 99 38 95:4. 17:2 2 e—1 =180-687 
3 9 38'0 93, 39 553 173 
4 11 10:2 WM. 44 275 17:3 log ¢ = 1°9582939 
5 12 40:0 25 42 571 17:1 | log (2c—1) = 2:2569259 
6 14 11:7 26 44. 985 168 97013670 
7 15 408 97 45 58:2 17:4. |log1SHaw. = 98953 
8 17 135 28 47 304 16°6 log S = 9°7041923 
9 18 43-2 99 48 594 162 pete Vee 
10 20 155 | 30 50 312 15°7 Scat 
a ——e H = — 1 
a | 395—405 Baliga? eel 188i wis ewer 
e || Ease Cr | Sea = 05059150 
