92 
PROFESSOR W. RAMSAY AND DR. S. YOUNG 
I. Temperature, 320°. Rate of increase of pressure, 1 raillim. per minute. 
Pressure read. 
Time x rate. 
Pressure recalculated. 
Time. 
millims. 
millims. 
/ 
449-2 
0 
449-2 
0 
4511 
5 
446-1 
5 
457-2 
11 
446-2 
11 
463-1 
17 
446-1 
17 
II. Temperature, 320°. Rate, 0’85 millim. per minute. 
Pressure read. 
Time x rate. 
Pressure recalculated. 
Time. 
millims. 
millims. 
t 
449-3 
0 
4193 
0 
449-1 
4-2 
444-9 
5 
456-2 
93 
446 9 
11 
460-2 
13-6 
446"6 
16 
462-7 
16-1 
446 - 6 
19 
HI. Temperature, 320° (much vapour let out). Rate, 0 - 545 millim. per minute. 
Pressure read. 
Time x rate. 
Pressure recalculated. 
Time. 
millims. 
millims. 
/ 
447"5 
0 
447-5 
0 
448-1 
2-7 
445-4 
5 
453-9 
5-4 
448-5 
10 
457"6 
9-8 
447-8 
18 
470-3 
20-7 
449-6 
38 
IV. Temperature, 320°. Rate, CP513 millim. per minute. 
Pressure read. 
Time x rate. 
Pressure recalculated. 
Time. 
millims. 
millims. 
/ 
449-7 
0 
449-7 
0 
451-7 
2-6 
449-1 
5 
457"4 
LO-8 
446"6 
21 
468-1 
19-0 
449-1 
37 
V. Temperature, 320°. Rate, 0'481 millim. per minute. 
Pressure read. 
Time x rate. 
Pressure recalculated. 
Time. 
millims. 
millims. 
446-0 
0 
446-0 
0 
448-8 
2-4 
446-4 
5 
453-9 
5-3 
448-6 
11 
460-8 
8-7 
452-1 
18 
463-8 
14-9 
448-9 
31 
474-7 
25-0 
449*7 
52 
481-6 
32-7 
448-9 
68 
