nteafuring Heights with the "Barometer . 697 
Spaces of the quicldilver 
thermometer, Fahren- 
heit’s fcale. 
Spaces of the manometer, 
meafure! in degrees of 
FAHRENHEIT, 
r > 
212 
© 
212 
20 
17.6 
I92 
20 
194.4 
l8.2 
172 
20 
176.2 
18.8 
552 
20 
157 - 4 . 
19.4 
I32 ' 
20 ; 
138.0 
20.0 
112 
1 18.0 
2Cr 
20.8* 
92 
20 
97.2 
21.6 
72 
20 
75 -& 
22.6 
52 
20 
53-0 
21.6 
32 
2Q_- 
3 x *4 
20.0 
12 
1 1.4 
O' 
a ' 
1 1.4 
a ' 
