3 2 
M. Humboldt on Isothermal Lines 
^ ji 
O JO 
ft C 
S J 
0) ^ 
Eh 
— 05 
C O) 
«S © 
D r-* 
© .. 
®* * 
i I 
n 
xp 
lO 
O 
t* 
00 
o> o 
Ci 
tO 
rf< 
*o 
c C 
i> 
00 
» o 
-A 
Oi 
t"5 
tt 
to 
tx 
00 
OS 
t~< 
r-l 
rX 
rH 
r-< 
pX 
-xH 
rX 
iH 
rX 01 
Oi 
Oi 
01 
Oi 
Oi 
Oi 
01 
Oi 
CD 
© 
© 
GO 
© 
CD 
CO 
Oi 
t-H 
»— < 
© 
CD 
O 
. ^ 
CD 
© 
GO 
Oi 
© 
© 
© 
© 
t- 
© 
AO 
9 
CD 
CO 
Cvi 
CD 
£■» 
CO 
T—l 
TjJ 
xp 
© 
© 
AO 
Oi 
t-3 
FI 
CD 
ft 
© 1 
o? 
oi 
CO 
OO 
© 
xp 
' ft 
© 
CD 
C5 
AO 
© 
xp 
CO 
© 
f-H 
Oi 
i— ! 
I— H 
Oi 
Oi 
r— i 
CM 
CO 
CM 
Oi 
CO 
Oi 
Oi 
CO 
CM 
CM 
CO 
CO 
CO 
CO 
Oi 
«t-t 
o 
ft 
a 
o 
E-l 
g 
cS 
<U 
s 
O J, 
CD ^ 
. *o 
o • 
l— I ft 
O «5 
Oi 
QD 
OI 
o 
© 
xp 
Oi 
Oi 
xp 
© 
xp 
© 
© 
© 
© 
CD 
© 
© 
xf5< 
CD 
© 
CD 
© 
Oi 
OI 
Oi 
AO 
*o 
© 
© 
ft 
AO j 
xp 
© 
xp. 
CO 
© 
r - 1 
f* 
1 CO 
© 
CO 
CO 
AO 
t-H 
o» 
AO 
lx 
*o 
© 
© 
oi 
AO 
xp 
© s 
oi 
Xp 
CO 
© 
ft 
AO 
OD 
AO 
1 © 
AQ 
ft 
d 
Xp 
f-H 
ix 
© 
CD 
d 
xp 
xp 
© 
© 
© 
© 
fcx 
© 
© 
tx 
© 
AO 
© 
*o 
*o 
© 
© 
*o 
tx 
© 
SQ 
© 
© 
© 
lx 
'-w 
O 
G 
o 
• rH 
3 
jO 
*s 
■*-> 
m 
• H 
Q 
ft G 
g s 
Sg 
G 
cC <*3 
« «H 
§ O 
Xp ^ 
Oi 
r* 00 
CD 
CO lx 
X-X 
CO OI 
CO 
X © xp CO 
0 ft xp © 
01 *0 CO CD © CD 
00^1 
r-H CO CO 
' d 
CO CO CO CO xp CO xp 
© 
© 
tF 1 
X 
X 
X 
Oi 
© 
X 
Of 
© 
© 
© 
© 
Oi 
© 
Oi 
Xp 
CD 
f-H 
© 
H 
ft 
X 
Of 
xp 
rH 
i- 
ft 
*o 
TT< 
CO 
o 
X 
© 
X 
AO 
oi 
CO 
© 
f-H 
oi 
QD 
© 
CD 
o 
X 
X 
X 
ft 
© 
d 
ft 
d 
ft 
© 
xp 
xp 
xp 
xp 
xp 
Xp 
AO 
xp 
AO 
AO 
AO 
AO 
© 
CD 
© 
© 
© 
© 
xp 
© 
© 
© 
Xp 
X 
X 
Oi 
X? 
© 
xp 
© 
© 
Oi 
(X 
© 
© 
© 
X 
© 
ft 
t- 
© 
Oi 
o 
X 
AO 
AO 
ft 
rH 
Oi 
© 
t-H 
CD 
oi 
X 
o> 
© 
CO 
CD 
xp 
X 
ft 
co 
ft 
© 
ft 
© 
© 
© 
© 
*o 
© 
AO 
AO 
© 
© 
© 
AO 
© 
© 
AO 
© 
© 
© 
© 
CD 
© 
xP 
oi 
X 
X 
xp 
X 
© 
© 
© 
X 
© 
© 
Oi 
© 
© 
CO 
CO 
X 
© 
© 
f-H 
rH 
AO 
© 
o> 
Oi 
o 
CO 
ft 
© 
© 
Oi 
ft 
QD 
X 
ft 
oi 
f-H 
*o 
© 
l- 
xP 
X 
© 
d 
t— 
X 
© 
t-H 
00 
CO 
X 
CO 
xp 
xp 
xp 
xp 
xp 
Xp 
xp 
AO 
xp 
Th 
AO 
ft >: 
S 2 
cl > a 
h a 
G G 
ccS X 
S © 
CD 
CO E2 
: X 
o 
CD xp 
xp <5 
CO -P -p CO © xp © X 
ft CO t—. CD O (M h CD 
■«p CC *> ■'P C! i- 1 N rl 
-p ip *C CO CO O ® 
ft 
a 
oi 
H 
G 
cj 
o> 
s 
bX3 
_G 
‘S 
ft 
CD 
P- 
o 
0 
05 00 
o* °? 
CO Xp 
01 Oi 
OI © xp © oi xp co © 
Tp CO -H ® H GVJ o CO 
co d t- co x d xp cd 
O i Oi OI CO CO CO xp CO 
O-i • 
3 & 
S e 
c ^ 
i''* 
o» c_ 
d! o 
© 
© 
X 
Oi 
© 
CO 
© 
© 
CD 
rp 
s 
+ 
oi xp oi © oi x xp 
fc» CD ft © i> t-* QO 
Oi 
Oi 
© 
Oi 
CD Oi CD CD 
ft *0 i— I t- 
-p «5 tP CD 
Oi Oi H Oi 
CD 
AO 
CD 
Oi 
xP©©©X©©©©©©©©Oi 
t-CD'O'PC0©©t-C0GV©t-CDt' 
©©ft-HOftCDCDOiftOixpCDO! 
COCOGOCOCOOI, C0OIC0C0C0C0C0C0 
= 
o ^ 
G ° ctf 
$ ££ 
S i « 
H 5 
®2 © CD 
• ft CO 
X © xp OI © X 
© © Oi CD ft •— i Oi 
©CO © Oi *0 CO CD ft © d 
OiOi CO CO CO CO CO CO xp xp 
X 
© 
xp 
X 
X 
o? 
xp 
© 
xp 
Xp 
xp 
© 
© 
Oi 
tx» 
X 
ft 
© 
Oi 
ft 
Xp 
ft 
X 
X 
*o 
oi 
Gv? 
rH 
Of 
Oi 
AO 
© 
© 
ft 
© 
i-3 
CD 
xp 
xp 
xp 
xp 
xH 
-G Oi 
bo CJ 
"s3 a 
X a 
© © © 
AO ft 
CO CO 
r-i © 
© © © 
© © © © 
t- 
ft 
© © © © 
© 
© 
© 
CO 
* 
©©©©©©©©©©©©Oi© 
*0 AO c- © CD CO Oi 
Hp CO CD © © xp xp 
G 
_o 
« 
a 
a 
H 
H 
W 
r-rl 
rH 
a 
a 
w 
W 
H 
a 
P- 
rvi 
r -r1 
a 
a 
ry 
ry 
a 
a 
a 
4-> 
bO 
o 
b- 
CO 
© 
© 
© 
ft 
Oi 
Oi 
X 
X 
CO 
© 
X 
xp 
AO 
© 
ft 
Xp 
CO 
o? 
© 
Oi 
© 
© 
X 
X 
Of 
o 
O 
Oi 
Oi 
AO 
Oi 
rH 
rH 
Oi 
CO 
H 
CO 
rH 
xp 
CO 
CO 
Xp 
AO 
Of 
AO 
CO 
rH 
CO 
rH 
Oi 
Oi 
Oi 
cu 
H 
o 
-H 
© 
X 
AO 
AO 
© 
© 
© 
i> 
Oi 
X 
rH 
© 
© 
OI 
OI 
ft 
ft 
X 
CO 
rH 
ft 
© 
© 
X 
© 
© 
Of 
Oi 
Oi 
GM 
rH 
X 
O! 
»H 
t-H 
b- 
H 
t-H 
rH 
H 
Oi 
rH 
X 
O 
o 
co 
o 
© 
Xp 
AO 
*- 
© 
AO 
i- 
rr 
^x. 
*o 
AO 
Of 
Oi 
t- 
© 
rH 
AO 
Oi 
ft 
Oi 
H 
a 
CO 
X 
AO 
AO 
Oi 
Oi 
AO 
Oi 
*o 
X? 
Xp 
rH 
Of 
CO 
Oi 
*o 
T-H 
AO 
Oi 
x 
Oi 
rH 
o 
CD 
© 
AO 
CO 
ft 
CO 
*o 
© 
ft 
ft 
© 
ft 
N 
AO 
H 
© 
rH 
l- 
AO 
Of 
© 
co 
© 
© 
ft 
X 
AO 
© 
*o 
© 
AO 
© 
AO 
© 
AO 
AO 
Xp 
AO 
AO 
AO 
AO 
AO 
AO 
xp 
AO 
AO 
rt« 
AO 
-P 
OJ 
U 
d 
>4-» 
CD 
rx 
a 
( 
GO 
0) 
-d 
rx 
© 
CD 
a 
ss 
«4H 
o 
f-H 
cy 
V 
<u 
cS 
-G 
a 
w 
o 
a 
r 
c 
u 
O 
4= 
4J 
5 
5 
c 
o 
O 
?H 
o 
d 
br 
& 
a 
s 
in tfx 
-G 2 G 
•>-> g a 
■n CO 
* 0 „ 
cc ‘3 erf 
> jz G 
« C « 
9 3 "gs - c .2 3 3 s 
ONH^uQWO 
* % 
* 0 Tt oi o^S 
uio.tj spu^a ’[Buuaqiosi 
'oO 9 °1 olf tuojj spuea pjuiiaq^osi 
