304 
The N.Z. Journal of Science and Technology. [Sept, 
Table IX.—Some Temperature Data on Individual Pieces under Steam at 
20 lb. Pressure. 
No. of 
Temperature of 
Initial 
Temperature of 
Time to End 
Time to 212° F. 
Piece. 
Cylinder. 
Temperature. 
End Point. 
Point. 
Deg. F. 
Deg. F. 
Deg. F. 
Min. 
Min. 
1 
259 
70 
249 
105 
66 
3 
230 
65 
253 
100 
60 
4 
256 
75 
248 
108 
72 
7 
259 
60 
264 
108 
70 
8 
259 
65 
250 
106 
73 
9 
259 
65 
256 
94 
60 
13 
236 
70 
270 
96 
50 
14 
250 
69 
269 
90 
54 
17 
258 
65 
250 
100 
62 
19 
258 
60 
239 
110 
82 
Fig. 6.— Diagram showing changes in interior temperature under steam at 
atmospheric pressure. Curve A is an average for unseasoned wood; 
I is for seasoned wood; II represents a dense piece of white-coloured 
beech (commonly known as “ white-birch ”). 
Table 
X.—Some Temperature Data on Individual Pieces under Steam at 
Atmospheric Pressure. 
No. of Piece. 
Temperature of 
Cylinder. 
Initial 
Temperature. 
■ 
Temperature of 
End Point. 
Time to E 
Point. 
Deg. F. 
Deg. F 
Deg. F. 
Min. 
3 
212 
65 
200 
102 
7 
212 
62 
195 
108 
8 
212 
67 
199 
114 
9 
212 
60 
198 
110 
13 
212 
69 
190 
100 
14 
212 
63 
200 
105 
17 
212 
60 
189 
107 
18 
212 
53 
202 
113 
19 
212 
61 
180 
112 
20 
212 
64 
188 
102 
