f J fii mi m s sf 
7 \ is i * 
F i 
If if 
s f 
$ o 
S'g, 
ii + 
fr 
k f I 
K 
7% ?■ ? .ns E 
Ss s § as 5 
I ’ f I f - 
I 
i 
uo. 
1 
II 
? 
) 
$ 
>• i 
* ? 
*3 
s 
O S 
*& 
% 
1 1 
! 
+ 
j 
II + 
f f 
p 1 
** 
4 
II 
* a 
F* 
s ; 
s » 
§i 
1 1 
If 
n 
T 
i: 
ii 
ft 
- 3 
^S* 
»*S. 
11? 
I 
ifiilfrtl! 
J *1 ,i p P p J -i 
** *. * F; II .fe £? K, I 
-■ £ NN- NH N> » Q. 'P 
t* -8 
sH* 
'll US 
S ** S«8 J 
S' 55 5; £S 1 
3 1! 1! I 
It 1 1 n |l 
5 #Hf t 
III HI If 
gST g- 8 , 8 , 8 - 
Si! I 
I 
— s 
I i. 
M! 
? I , ft 
$ 8 
I 
I M 
£ 
r 
ir 
if 
IS DfS 
# 
II Ii M IT 
ii %i tt 
T f T ff ff 
S 4* 
I 
3 f U 2 * SS ^ 
+ «, + & *a, *a, 
s£ H ^ £1 
I 
i s 
1 t t 
I! I II I II 
•SB -4 >3 
II I 
II I II I 
4 
f|r 
1 
Logar excefs 
or defeft in 
ft. and alfo in 
M i i | ii ii ii n ii ‘sa 4 ^ p. 
Parti- 
cular. 
Temperature 
of the air, 
a a W - - s - a 1 
1 1 3 St S .2 . 5 s % o q o 
I? 
11+ II + 11+ II. + 11+ 11+ ill + 11+ 11+ 11+ Jl + 
5 ? P | «| J| ||- f p. fl #| #? If | 5 ! S 
%u«hm by the 
1 ! 1 4 f ! ! ? ^ ! 1 
4 
Refult by the rule. 
1 1 ft 1 
r. 
— 16. 
Mean 
+ o.6 
trror 
of the 
rule in 
feet. 
1 1,1 1 1 
Ratio ot the 
jStSJft 
Continuation of Mr. de luc’s barometrical obfervations. 
