9 6 
Mr. Read’s Meteorological Journal 
Days. 
Wind. I 
1 | 
3arom. Ther. £ 
1 .... I. 
I 
Pof. 1 
1 
5Teg. 
July 27 
1 
N 
nches. 
29-iS 
0 
64 
(Irong 
— 1 
ieg. 1 
28 
N 
20.20 
74 
0 
pof. 
29 
W 
3°- 
56 
fmall 
— 
n eg. 
3° 
NW 
29.3° 
73 
O 
— 
neg. 
3 1 
W 
29.20 
75 
O 
neg. 
Aug. 1 
w 
29.79 
60 
O 
— 
— 
2 
w 
30.12 
56 
O 
— 
3 
SE 
30- 
62 
O 
— 
4 
E 
3 d * 3 1 
61 
O 
— 
5 
E 
29.79 
66 
O 

“ 
6 
SW 
3°' 9 
60 
O 
— 
— — 
7 
w 
3° 27 
I 5 o 
O 
— 
neg. 
8 
w 
30.24 
58 
O 
— — 
neg. 
9 
E 
30.20 
1 66 
O 
— 
neg. 
10 
E 
30.17 
60 
O 
— 
neg. 
11 
NE 
30.20 
66 
O 
pof. 
— 
12 
E 
30a 6 
58 
ftrong 
i-2 
E 
30.14 
60 
fmall 
pof. 
14 
|. NE 
3°* I 3 
62 
0 
pof. 
— * 
ii 
; ne 
3°- 9 
59 
flrong 
pof. 
it 
) N 
30.15 
, 62 
(Irong 
pof. 
— 
'our o’clock P M. happened a fudden 
and (hort (lorm of wind and ram. The 
rod became powerfully electrified, the 
bell rang for 20 minutes, then (lopped, 
and the electricity became pofitive, and 
(Irong. At Cambridge, this day, 
tremendous dorm of lightning and 
thunder. 
Balls open fix-tenths of an inch. 
P.M. a regular dark (ky, with fmall 
rain, which iafted four hours ; fuch 
rain is never electrified (Irongly. Air 
is very moift. 
A heavy dark atmofphere, and 
warm foft air. The eleCtricity thefe 
lix days amounts only to weak figns, 
balls not open. 
P.M. 
A.M. 
A.M. 
A.M. 
Balls not open.* 
P.M. a line (hower of rain, on which 
the rod became pretty well electrified ; 
but foon changed to a much more 
(trong negative eleCtricity, which af- 
forded fine fparks at the brafs ball L, 
The pith balls many times clofed and 
opened, without any more changes 
of kind. 
A.M. 
A.M. balls open feven- tenths of an inch. 
A.M. P.M. a very black cloud palfed over 
the rod, by which it became very drongly 
eleClrified for a few minutes only 
the bell rang brilkly. 
There has been much rain to-day, and 
the drops very large. The rod has been 
Aug, 
4 
