the Pendulum vibrating Seconds in the Latitude of London. 417 
| Slider 21 divisions. 
Barometer 
dee y 
; Clock gaining 0°18 Great weight above. 09-70. 
on mean time. 
Time of {Arc of|¢ ‘| Interv|% 2} er lsat 
o = 4“ a #Hisng uv S2Zn 4 
E | coinci- vibra- | % 2| in se [es \s eS 3 | Cort |B loa. s 
t | dence. | tion. & =) conds.|Z'*5 |5 = “= 5] > oer 6S 
nie, 5 > | 
| July |69-3| 98 9 | 1-98 5 | 
u 3) 2 93 |o p petty: 
Hed SF se: baso| 18S) :203y-] somteanse 47) 2:08" AER? 
44 56 0 89 0 96) 504 | 502 |86057-16 1°51 {36058 67 | 
69°3| 53 21 |. 0-74 ,0 $1) 505 | 503|86057 82 1:07 '86058°89 
Mean |86058°70 
Clock | re O5183 18 
| 69°3\ mean | 8605 86058 88 88 | 
| oe é | 
Great weight Lelow. 
$ 
) 
Bp tae 121 J y.15| 503 | 501 |s60s6 47 | 216 86058 68 
5 53 098 1:03) 504 | 502/86057°1G| 1-73 86058°89 
14-17 | 0-88 0921 504 |502{/86057-16} 1°41 86058°57 
69:8| 22 42| 0-78 088! 505 | 508 !86057-82| 1:13 86058°95 
: Mean 86058 76 
| Clock + 0-18 
69 3) mean ; 86058 94 
- ae: 
Slider 20 divisions. Barometer| 
Clock gaining 0”-18 Great weight above. 29°70 
on mean time. . 
eee eS ee eo ee ee | 
Sea TE 46 | 134 | 1-08] 502 | 500 |86055-78) 247 | 
Fei | a eo Peo eo bron: |86056 47| 1°73 |86058-20 
: 0:86} 505 | 503 |$6057°82| 1°21 {86059 08 
26 56 0-79 lbyecre 3 ‘ se 
693| 35 22 0-68 0-731 506 | 504 |86058°49] 0°87 |S6059°36 
Mean |86058°7 1 
Clock } + 0°18 
| 
2 | 
| 
Gora) mean [36058 89 
bi abel (9c IS USP Sone) Powis Reees. FE SF It Seine 
F | Great weight below. 
| BE 
ea ee 123 |1-17| 503. | 501 |36056:47| 2°23 |86058:70 
48 51 | I) | 104) 603. | 501'\86056-47| 1-77 |86058 24 
5 0 93| 504 | 502 |86057-16! 1°41 |R6058-57 
0°84) 506 | 504 86058'49 | 1°15 |86059°64 
| | 
| | | Mean |86058'79 
| Clock; + 018 
| I ‘Temp | + 0:04 
2 ee ee 
| 69°4| Mean 8605901 
Vol, 52. No. 248. Dec. 1818. | Dd 
