the Point of Mercurial Congelation. 
Experiment III. made December 16, 1781. 
Time per 
Watch. 
- J 
E d 
c u 
S fc 
Z 0 
a 13 
r* 
r< 
Appara- 
tus. 
Spirit 
Thermom. 
Remarks and Occurrences. 
/ // 
B. 
G. 
E. 
f Put them into the firft freezing mixture ufed in 
8 55 55 
34 
35 
L the preceding experiment. ( 
8 56 10 
40 
4 ° 
— 
8 56 21 
4 1 
4 i 
— 
8 56 42 
42 
42 
— 
8 57 0 
43 
42 l 
— 
8 57 26 
43 
43 
— 
l 58 0 
43 
43 
— 
8 58 58 
54 
43 
— 
8 59 14 
60 
43 
— 
8 59 40 
64 
43 
— 
900- 
68 
43 
— ‘ 
9 -0 34 
70 
43 
— 
910 
75 
43 
— 
9 1 22 
78 
43 
— 
9 2 0 
82 
43 
— 
9 2 30 
85 
43 
— 
9 3 ° 
88 
43 
— 
940 
94 
43 
— 
Put the fpirit thermometer (E) into the fixture. 
9421 
94 
43 
27 
9 4 40 
98 
43 
30 
9 5 12 
100 
43 
3*1 
960 
104 
43 
3 2 
9 6 30 
106 
43 
S 2 
' 9 7 0 
1 08 
43 
3 2 
9 7 40 
1 10 
43 
3 2 
9 8 20 
1 12 
43 
990 
1 14 
43 
— 
fThe quickfilver in the apparatus was fluid, but 
9 10 30 
1 16 
40 
— 
^ feemed thick and in grains, fomewhat like crumbs 
lof bread ; replaced it again, and went to breakfaft. 
9 5 ° 0 
40 
40 
— 
Examined the quickfilver again, it was frozen hard. 
10 55 40 
37 i 
— 
The quicklilver as fluid as ever. 
This experiment was made during the continuance of that 
which immediately precedes it, as may be feen by examining 
*X x z tit® 
