74 Proceedings of the Royal Society 
Table No. II. 
Time. 
Thermometer 
Outside. 
Thermometer on Wall, 
6 feet from floor. 
South 
opening 
in Wall. 
Hot air 
South 
end of 
Ceiling. 
Centre 
of 
Ceiling. 
North 
end of 
Ceiling. 
Front 
of 
Plat- 
North. 
South. 
East. 
West. 
enters. 
form. 
A.M. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
6 
44 
52 
52 
52 
53 
53 
53 
53 
52 
52 
6.30 
45 
53 
53 
52 
53 
102 
76 
59 
59 
56 
7 
45 
56 
56 
54 
54 
147 
96 
72 
70 
62 
7.30 
45 
60 
60 
59 
59 
182 
126 
90 
86 
71 
8 
46 
65 
65 
62 
62 
202 
136 
97 
93 
77 
8.30 
47 
69 
69 
67 
68 
228 
164 
110 
106 
85 
* 9 
48 
71 
72 
70 
70 
230 
166 
118 
112 
89 
9.30 
48 
76 
78 
75 
75 
181 
142 
111 
108 
94 
10 
48 
76 
78 
75 
75 
157 
132 
105 
102 
92 
10.30 
49 
75 
77 
74 
74 
139 
118 
98 
96 
89 
11 
50 
73 
76 
72 
72 
122 
104 
90 
89 
85 
11.30 
50 
71 
74 
70 
70 
107 
93 
84 
83 
80 
12 
51 
70 
72 
69 
69 
97 
86 
79 
78 
77 
P.M. 
12.30 
52 
69 
72 
68 
68 
93 
82 
77 
76 
77 
1 
52 
69 
71 
68 
66 
90 
80 
76 
75 
75 
1.30 
52 
69 
71 
68 
68 
84 
77 
75 
74 
74 
2 
53 
69 
71 
68 
68 
80 
74 
73 
73 
74 
Two Stoves, with Double Smoke-pipes\, lighted at 6 a.m. Fire taken off 9 a.m. 
Hall Ventilators opened 1.30 p.m. Coals consumed, 70 lbs. 
Note. — The figures in italics show the amount of heat got from the large sur- 
face of heated iron after the fuel has been exhausted. 
Time. 
Thermometer 
Outside. 
!' ■ 
Thermometer on Wall, 6 
feet from Floor. 
South 
opening 
in Wall. 
Hot air 
enters. 
South 
end of 
Ceiling. 
j Centre 
of 
Ceiling. 
North 
end of 
Ceiling. 
Front 
of 
Plat- 
form. 
North. 
South. 
East. 
West. 
A.M. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
7 
43 
50 
50 
50 
50 
51 
50 
50 
50 
50 
7.30 
44 
52 
52 
51 
52 
84 
66 
58 
56 
55 
8 
44 
54 
54 
52 
53 
110 
80 
64 
62 
58 
8.30 
45 
56 
56 
55 
55 
132 
89 
73 
71 
62 
9 
45 
57 
57 
57 
57 
142 
95 
79 
77 
65 
9.30 
46 
61 
61 
59 
59 
144 
102 
82 
80 
69 
10 
46 
62 
62 
60 
61 
144 
102 
82 
80 
71 
10.30 
48 
64 
63 
62 
62 
148 
106 
85 
83 
73 
11 
49 
65 
64 
63 
63 
146 
104 
85 
83 
74 
11.30 
50 
65 
65 
63 
63 
144 
103 
85 
83 
74 
12 
50 
66 
66 
64 
64 
145 
103 
86 
84 
75 
Single Stove with Double Pipes. Coals burned, 70 lbs. Stove lighted at 7 a.m. 
Fire taken off. 
