*3^ 2 Afr. hutchins’s Experiments for cifcertamng 
vet the quickfilver in the cylinder was never frozen ; and indeed 
the fpirit thermometers, fufpended in the mixture, feemed to 
indicate, that there was not fufficient cold to freeze quicklilver, 
except at the beginning ; for I obferve, it is not effected at 40°, 
without continuing fome time at that degree, as appears very 
clearly from the third experiment. 
Experiment VIII. made December 21, 1781. 
Time per 
Watch. 
Mercurial 
thennom. 
1 
CTj 
cV co 
CL, p 
CL, ~ 
< 
Spirit 
Thermom. 
Remarks and Occurrences. 
h. , 
10 10 
// 
0 
Made the freezing mixture. 
10 12 
0 
— 
— 
/ 
Put in the gallipot of cjuickfilver. 
10 13 
0 
— 
— 
— 
Put thermometer (IB) into the quickfilver. 
10 13 
3 ° 
— 
35 
— 
10 13 
35 
— 
36 
— 
10 13 
40 
— 
37 
— 
Put thermometer (A) into the freezing mixture. 
10 14 
0 
— 
37 
— 
10 14 
3 ° 
3 ° 
53 
— 
10 14 
40 
40 
38 
— 
10 15 
0 
42 
38 
— 
10 15 
*5 
43 
39 
— 
10 15 
3 ° 
44 
39 
— 
10 16 
0 
48 
39 
— 
10 16 
*5 
56 
39 
— 
10 16 
3 ° 
64 
39 
— 
10 16 
45 
70 
39 
— 
10 17 
0 
76 
39 
— 
io 17 
81 
39 
— 
10 17 
3 ° 
87 
39 
— 
10 17 
45 
9 2 
39 
— 
10 18 
0 
97 
39 
— 
10 18 
*5 
102 
39 
— 
10 18 
3 ^ 
108 
39 
— 
10 18 
45 
I! 3 
39 
— 
10 19 
0 
1 1 8 
39 
— 
- 
10 19 
*5 
1 22 
39 
— 
IO T9 
30 
1 26 
39 
— 
10 19 
45 
130 
.39 
— 
Experiment 
