1 6 Mr, h u t ch iKa’s Experiments for afeertamng 
Experiment I, made December 15, J781. 
Time per 
Watch. 
1 
The rmom . 
below 0. 
Appara- 
tus. 
Spirit 
Thermoan. 
1 
Remark? and Occurrences. 
/ // 
9220 
25 
2 3 
- - - i 
Put them into a tumbler of fnow. 
9 31 0 
— 
Added the fpirit of nitre. 
9 32 ° 
60 
40 
— 
Thermometer defeends quick and equable. 
9 32 20 
88 
40 
— 
9 32 38 
108 
40 
— 
9 32 55 
120 
40 
— 
9 33 10 
T 34 
40 
— 
9 33 29 
150 
40 
— 
9 33 40 
160 
40 
— 
9 34 0 
176 
40 
— 
9 34 35 
200 
40 
— 
9 34 57 
214 
40 
— 
9 35 10 
220 
40 
— 
9 35 5 ° 
252 
40 
— 
9 36 0 
260 
40 
— 
9 3 6 29 
280 
40 
— 
9 37 7 
300 
40 
— 
9 37 48 
3 20 
40 
— 
9 3 8 3 ° 
340 
40 
— 
9 39 6 
352 
40 
— 
9 39 20 
360 
40 
— 
9 39 48 
370 
4 ° 
— • 
9 40 6 
376 
40 
— 
9 40 38 
3 8 4 
40 
— 
9 4 ° 5 ° 
392 
40 
— 
9 4 i 19 
400 
40 
— 
9 4 1 4 ° 
406 
40 
— 
9 42 10 
414 
40 
— 
9 42 3 ° 
420 
40 
— 
9 43 0 
426 
40 
— 
9 43 3 6 
434 
— > 
— 
9 44 0 
43 8 
40 
— 
9 44 30 
444 
40 
— 
9 45 0 
448 
40 
— 
9 45 4 ° 
448 
40 
— 
9 54 0 
448 
40 
4 
Experiment 
