*j 04 Col. roy’s Experiments for 
! Thermo - 
metrical 
fpaces. 
Manome- 
trical 
fpaces. 
Total Expan- 
nons for degrees 
above zero, 
1000 parts. 
Difference 
of expan- 
fions, 1 000 
parts. 
Rate for each 
degree, 1000 
parts. 
0 
212* 
0 
2 1 2. 
484.210 
40.199 
2.00995 
l!92. 
194.4 
444.01 1 
41-559 
2.07795 
172. 
176.2 
405.452 
42.949 
2.14745 
152. 
■157-4 
359 5°3 
44*310 
2.21550 
I32. 
138. 
3 I 5* I 93 
45.680 
2.28400 
1 12. 
1 18. 
269.513 
47 * 5°7 
2*37535 
92. 
97.2 
222.006 
24.21 1 
2.42 1 10 
82. 
86.6 
1 97*795 
25.124 
2.51240 
72 . 
75-6 
772.671 
25.581 
2.55810 
62. 
64.4 
147.090 
26.037 
2.60370 
52 . 
S 3 - 
12 1.053 
25.124 
2.51240 
42 . 
42. 
95-929 
24.21 1 
2.421 10 
32 * 
3 1 4 
71.718 
23-297 
2.32970 
22. 
21.2 
48.421 
22.383 
2.23830 
12. 
0 . 
1 1.4 
226.038 
26.038 
2.16983 
Hence2 2 2.oo6— 26.038= 195. 968 =2. 4496, ora. 45, 
is the mean rate of expaniion for the 8o° comprehended 
between 1 a 0 and 92 0 of Fahrenheit. 
TABLE 
