the Point of Mercurial Congelation. *335 
i ♦ 
Experiment IV. made January 7, 17S1. 
Time^r 
Watch. 
Thermom. 
below 0. 
Appara- 
tus. 
Spirit 
| Thernaom. 
■■ — ■ • — 
Remarks and Occurrences. 
h. 
t / / 
9 29 0 
45° 
77 
34i 
9 3° 0 
450 
77 
34-1 
1 9 31 0 
45° 
77 
34l 
9 32 0 
45° 
77 
34i 
9 33 0 
45° 
77 
34i 
9 34 0 
450 
77 
34| 
9 35 0 
450 
77 
3 4f 
9 36 0 
45° 
77 
34i 
9 37 0 
449 
77 
34 • 
9 38 0 
449 
77 
33> 
9 39 0 
449 
77 
33 
9 40 0 
449 
77 
33 
9 41 0 
449 
77 
3 2 1 
9 42 0 
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77 
3 2 l 
9 43 0 
444 
76 
oOi. 
O 2 
9 44 0 
44»i 
76 
iii 
0^2 
9 45 0 
4+81 
76 
3 2 | 
9 46 0 
44B| 
76 
S 2 
9 47 0 
448J 
76 
32 
9 48 0 
44 8 i 
76 
S 2 
9 49 0 
44 H 
76 
S 2 
9 50 0 
444 
76 
34 
9 5 1 0 
444 
76 
34 
9 52 0 
448 
75i 
34 
9 53 0 
448 
75a 
34 
9 54 0 
448 
75 
34 
9 5 6 0 
448 
75 
3 1 
9 57 0 
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75 
3 1 
9 58 0 
445 
75 
3°* 
9 5 8 3° 
444 
75 
3°i 
9 5 8 45 
443 
75 
3°i 
9 59 0 
442 
75 
3°4 
9 59 T 5 
441 
75 
30! 
9 59 3° 
440 
75 
3o§ 
9 59 45 
439 
75 
3°I 
10 0 0 
43 8 
75 
3°i 
10 0 15 
437 
75 
8° 1 
Vol. LXXIII. *Y y Experiment 
