2 : 
318 Colonel Beaufoy’s Magnetical, [Aprit, 
ARTICLE X. 
Magnetical, and Meteorological Observations. 
By Col. Beaufoy, F.R.S. 
Bushey Heath, near Stanmore. 
Latitude 51° 87/42" North. Longitude West in time 1’ 20°7”. 
Muagnetical Observations, 1819. — Variation West. 
Morning Observ. Noon Ohserv. Evening Obsery. 
Month, 
Hour. | Variation. | Hour. | Variation. { Hour. ; Variation. 
Feb. 1| 8h 35/} 24° 34’ 30" —n —'|)—9 —' —'| og 
2| 8 40|24 38 37] 1 15|24 41 22 3 
3| 8 35] 24 36 06] 1 20/24 43 06] + 
4{ 8 40/24 34 40| 1 20/24 41 05 8 
5 p= = pa anew J —_— —— =! — —_ — n 
6! 8 40/24 32 Sl} 1 2|24 40 58} 3 
7| 8 40|24 34 30] I 35] 24 41 06 a 
8} 8.35} 24 33 50} 1 20)}24 40 03| = 
9| 8 40,2 31 57; — —|— — — Fa 
1} 8 40/24 28 53} 1 20/24 36 15 2 
HM} 8 35/24 34 27{ 1 20/94 39 55| 3 
12/ 8 40| 24 32 14] 1 30/24 38 58 ao 
13) 8 45) 24 33 09} 1 20) 24 38 44) 
14} 8 35) 24 34°25} 1 40} 24 39 15) 
bi, 8.3524 S34. 35) — —J — rf 
6, — i} — of 
17| 8 35/24 35 12] 1 20} 24 42 12 es 
18; 8 40/24 35 12};— —|— — —| 9% 
19] 8 35/24 33 ST] 1 15|24 38 46] & 
20} 8 45/24 47 O06} 1°15| 94 47 13] 
21| 8 40/24 34 O08} 1 15|24 38 57 S 
22) S 35/24 34 45] 1 20|24 39 42 s 
Si =}. — —f 1 204 38 54] Ss 
24) 8 40/24 35 05} 1 20 24 37 o9 3 
25} 8 35|24 33 54] 1 15|24 40 16| @ 
26) 8-40} 24 35 23| 1 20/94 41 or} & 
27| 8 40} 24 35 20} 1 20) 24 39 44| = 
28| 8 35|24 34 58) 1 20/24 40 36) = 
S 
Mean for = 
the 8 38/24 34 17] 1 21) 24 39 55| © 
Month, 
The variation on the 20th, being so much in excess, is not 
included in the mean variation ; and it may not be improper to 
remark, that at three o’clock the same day, some very dense 
clouds formed in the west, at the distance of about six miles, 
which apparently discharged torrents of rain. 
