I 70s ] 
-table iv. Remits of experiments on the expanfion of air, artificially moiftened, by the admiflion of Ream, and fometimes water, into the bulb 
of the manometer. 
N° 
Height 
of the 
barom. 
Inches oi 
quickliver 
confining 
the air. 
Denfity 
in 
inches. 
Total expanfion 
of 1000 equa 
parts of air by 
Mean rate 
for each 
degree. 
Expanfion for intermediate temperatures. 
from zero 
to 32 0 . 
32° 
to 52 0 
52° 
to 7 2° 
72° 
to 9 2°. 
92° 
to 112°. 
112° 
to 132 0 
*32° 
to 152 . 
152 0 
to 172° 
I72 0 
to 192 0 
I92 0 
to 212° 
r 1 
30.16 
+ 1.6 
3I-76 
— 
2.059375 
2.60700 
3.02650 
3.38050 
4.183OO 
6.48000 
8.67750 
11.93600 
16.85050 
Firft fet: fleam ad- 2 
29.97 
+ 2.2 
32.17 
1409.04 
6.64642 
2.20250 
2.59250 
2.90950 
3.67650 
5.16700 
6.9330° 
10.17500 
10.64200 
16.57850 
8.25400 
roitted into the | 3 
30.00 
+ 2.2 
32.20 
1350.10 
6.36840 
2.26875 
2.59100 
3.04900 
3- 7755° 
4.369OO 
7.60500 
8 94400 
10.42950 
n.92200 
1 1.69000 
bulb before it was •{ 
fealed. 
3°-43 
+ 1.92 
32-35 
„ 
— 
2.20875 
2-5*450 
2.74700 
3-25500 
3.73700 
5-9*350 
9 18950 
11-5755° 
25.88650 
— 
u 
30.2 
+ x.6 
31.80 
*999-7 1 
9-43259 
2.361875 
2.51300 
2.96400 
3.84750 
5.761OO 
7.19450 
12.29850 
16.69750 
19.29500 
25-23550 
(.6 
30.32 
+ 2.37 
32.69 
2576.16 
12.15169 
2.16250 
2-5535° 
3.11600 
3.72300 
5-53600 
7.83900 
I2.74IOO 
16.74600 
27-8435° 
45.25000 
Second fet: a drop of r 7 
30.2 
+ i-3 
3i-5o 
x 135.48 
5.35604 
2.22594 
2.74450 
2.90500 
3-4775° 
5.41 9CO 
6. 1 6650 
7.98850 
8.58950 
10.93600 
4.98600 
cold water admitted I g 
into the bulb before J 
30.06 
+ 3.2 
33-26 
— 
2.54062 
2.63350 
2.80850 
3.78700 
4.60750 
Tube broken. 
— 
it was fealed. *- 9 
3 ° 3 2 
+ 1.6 
31.92 
- *538.3* 
7.25618 
2.02156 
2.54250 
3.22500 
3.76500 
5 41700 
6.79250 
9-14350 
9.71100 
*3-7555° 
*9 93 2 7° 
Mean, 
32.18 
1668.13 
7.86854 
2.22799 
2.58800 
2.97228 . 
3-63*94 
4.91072 
6.86550 
9.89494 
12.04087 
17.88344 
19.22470 
Mean of the fecond, third, and feventh. 
31.96 
1298.20 
6.12362 
2.23239 
2.64267 
2-9545° 
3-643*7 
4.985OO 
6.90150 
9-03583 
9.88700 
I3-I4550 
831000 
Mean of the fifth, fixth, 
and ninth, . 
32-14 
2038.06 
9.61349 
2.18198 
2-53633 
3- ,0 *67 
3.77850 
5-57*33 
7-27533 
**.39500 
14.38483 
20.29800 
3°- *394° 
By N° 1. the total expanfion for 192° is 1208.72, whence the mean rate is 6.29542. 
4. — — 192° 1367.05, — — 7.12005. 
8. — _ 112 0 358.03, — — 3-19669; 
From 
