464 Barometric Oliservations. 
BAROMETRIC OBSERVATIONS. 
Crumpsall, Lancashire, Dec. 12, 1821. 
S1r,—The following observations were taken on the 12th of 
November and the 10th of December. 
Your obedient servant, 
To Dr. Tilloch. Joun BLACKWALL. 
CRUMPSALL. 
Bar i ae Wind. Weather. 
1821. A.M. eee 
Nov. 12th 84. |29-380} 47° | 45°5 |S.W. brisk. |Foggy. [sunsh. 
9 129.400} 48 46:3 |S.W. do. Foggy, with faint 
10 |29.410) 48 48 |S.W. do. Sunshine through 
11 {29.430} 50°5 | 50:5 |S.W. high. |Do. [clouds. 
12 |29.445} 51 51 |S.W. do. = |Do. 
P.M. 1 [29-457 | 52:2 | 52:3 | W. do.  (|Do. 
29-500 | 53 53:5 | S. boisterous./Cloudy. 
9 [29-500 | 53 53°5 |S. do. Do. 
10 {29-500 | 53 54 S. do. A little rain. 
' 11 {29-480} 53 54:5 | S. do. Cloudy, with faint 
12 |29-460} 53:5 | 55 S. do. Do. {sunsh. 
P.M. 1 |29:440}] 53:5 | 55 S. do. A little rain. 
MANCHESTER, 
_ | Ther. | Ther. 3 
1821. A.M. Bar. att. det. Wind. Weather. 
| ee 
8". 129.600} 54° 45° |S.E. brisk. |Foggy. 
9 129.620} 54 46 |S.E. do. Fine. 
10 {29.640} 54 47:5 \S.E. do. Do. 
11 29.6451 55 | 49:5 |S.W. high. |Do. 
12. 129.650] 55 51-5 |S.W. brisk. |Do. 
P.M. 1 j29-660| 56-5 | 53) |S.W. do. Do. 
Noy. 12th, 
8 29-700) 55 54 |S.W. do. Do. 
9 |29-680] 55:5 | 54-5 |S.W. do. Do. 
10 29-680] 56 56 |S.S.E. high. |Cloudy. 
ll |29-675} 56:5 | 57 = |S.S.E. do. Do. 
12 {29-660 | 57 57°5 |S.S.E. do. Do. 
P.M. 1 |29-600| 58 58 S. do. Do. 
Pocklington, Yorkshire, Nov. 17, 1821. 
Str,—The following observations I made at this place on the 
12th of this month, at the hours given below. 
I am, sir, yours truly, 
Wii1aM RoGERson, jun. 
Clock. 
