68a 
Col. Roy’s Experiments for 
Rate of expanfion of a column of quickfilver in the tube 
of a barometer. 
'■a 
<D 
<£> 
n 
.S 
£ 
<L> 
wO 
o 
CO 
W O 
5 G 
2 p 
w y 
rt .2 
ffi o 
< w 
Temperature. 
212 
202 
192 
182 
172 
162 
15^ 
142 
132 
122 
I 12 
102 
o O 
co^ 
o bfi 
> *C 
O rj 
ci « 
c *5 
o 
*8 
rt 
CL. 
* 
w 
£ 3 i's 
g * 
, 2 u- cs 
, te 
ft N W 
H <u . 
•H rO S 
55 d 
r ” o 
W 
U ° a* 
92 
82 
72 
62 
5 2 
42 
32 
22 
12 
2 
o 
Expanfions. 
•5117 
•48 8 8 
.4652 
.4409 
•4159 
• 3 90 2 
•3633 
•3367 
• 3 ° 9 ° 
.2807 
.2518 
.2223 
.1922 
.1615 
.1302 
.0984 
.0661 
•0333 
.0000 
•0338 
.068l 
.1029 
• IO99 
J> .0007 
Differences. 2d Differences. 
.0229 
.0236 
.0243 
.0250 
.0257 
.0264 
.027 I 
.0277 
.0283 
.0289 
.0295 
.0301 
.0307 
•0313 
.03x8 1 
•0323 
.0328 
•0333 
•0338 
•0343 
.0348 
.0070 
. .0006 
.0005 
Con 
