Colonel Beaufoy’s Magnetical, 
Articie IX. 
Magznetical, and Meteorological Observations. 
By Col. Beaufoy, F.R.S. 
Bushey Heath, near Stanmore. 
[May, 
Latitude 51° 37/42” North. Longitude West in time 1’ 20°17”. 
Magnetical Observations, 1819. — Variation West. 
Morning Observ. 
396 
Month, 
. Hour. 
March 1| 8b 35’ 
2) 
3| 8 40 
4| 8 40 
5); 8 40 
6| 8 40 
T™| 8 45 
- 8] 8 40 
9\ 8 45 
10; 8 40 
ll] 8 35 
12} 8 40 
13; 8 40 
14}. 8 40 
15} 8 40 
16; 8 40 
17} 8 40 
18} 8 45 
19} 8 45 
20} 8 40 
21); S§ 40 
22} 8 45 
23| 8 40 
24; 8 40 
25/ 8 40 
26) 8 45 
27| 8 40 
6" — 
29} 8 40 
30; 8 40 
31} 8 40 
Mean for 
Month. ; cis 
Variation. 
24° 35! 
24 
24 
24 
24 
33 
35 
34 
34 
33 
36 
36 
33 
35 
32 
33 
33 
33 
32 
32 
32 
31 
30 
31 
32 
32 
30 
32 
35 
33 
31 
33 
31 
98!" 
24 33 18 
Noon Obsery. 
Hour. 
1h 55’) 24° 42! 
15 | 24 
15 | 24 
25 | 24 
bot bam pet fem femet femedfomet ed fet fd tt fed fmatomt” pdp bem fme pes fmt Dem pd ped fend bl fend fms fe pd fd 
Nal 
i) 
cA) 
~ 
AO 
Al 
A3 
39 
A3 
A2 
40 
Al 
39 
Al 
40 
42 
Al 
A3 
39 
Al 
AQ 
40 
AO 
40 
42 
42 
4l 
42 
43 
43 
A2 
Al 
Al 
Al 
Variation. 
1 22|24 41 42 
Evening Observ. 
Hour. 
6h 05! 
6 
05 
05 
05 
10 
10 
15 
15 
10 
15 
09 
Variation. 
24° 38’ 18” 
24 36 17 
24 33 20 
24 35 00 
24 35 53 
24 33 35 
24 25 16 
24 33 26 
In taking the monthly mean of the observations, that in the 
evening of the 26th is Tejected, being unusually small, for 
which there was no apparent cause. 
