1 kEUS. | 
PORCELAIN AIR THERMOMETRY. 
21!) 
^able 60.— Comparison of air thermometer and thermo-couple. Series TIL Method of 
constant pressure. 
Re-entrant bulb No. 1. vo 
= 280. U 
= 13.8°. 
Thermo-couple No. 37. 
Vi 
1\ 
2?o 
T 
Time. 
t 
020 
Time. 
cock. 
cc. 
°<7. 
cm. 
°C. 
hours. 
°0. 
microvolt. 
hours. 
150.0 
24.3 
74. 90 
322 
1.17 
22.4 
2886 
1.15 
•2 
164.6 
24.7 
74.96 
390 
1. 33 
22.6 
3543 
1.25 
2 
172.5 
25. 1 
74.96 
434 
1.62 
23.1 
4302 
1. 55 
o 
173. 5 
25.2 
74.96 
439 
1.67 
23.4 
4445 
1.65 
2 
176.4 
25.5 
71. DO 
456 
1. 95 
23.6 
4690 
1.87 
o 
176 1 
25.5 
74. 90 
455 
2. 03 
23.8 
4673 
2.00 
2 
198.7 
25.7 
74.98 
633 
2.92 
25.6 
6654 
2.87 
3 
202. 4 
25.1 
74.98 
671 
3.00 
25.8 
7474 
2.97 
3 
205. 5 
25.8 
74.98 
704 
3.15 
26.1 
8117 
3.18 
3 
206. 
26.0 
74.98 
709 
3. 22 
26.3 
8278 
3.33 
3 
207.0 
215.4 
26.0 
26.2 
74.98 
75.06 
720 
840 
3.37 
3.58 
26.6 
9582 
3.55 
3.5 
218.8 
26.3 
75.06 
891 
3.73 
26.8 
10209 
3.63 
3. 5 
220. 5 
2G.4 
75.06 
918 
3.98 
27.2 
11038 . 
3.92 
3.5 
221. 1 
26.5 
75.06 
928 
4.12 
27.6 
11157 
4.03 
3.5 
223.3 
26.7 
75.09 
958 
4.28 
27.8 
11632 
4.24 
3.7 
224. 3 
27.0 
75.09 
972 
4. 35 
27.8 
11952 
4.32 
3.7 
225.3 
27.0 
75. 09 
991 
4.49 
28.2 
12290 
4.46 
3.7 
225.5 
27.0 
75.09 
994 
4.62 
28.4 
12328 
4.57 
3.7 
225.5 
27.1 
75.09 
994 
4.67 
28.6 
12363 
4.63 
3.7 
222. 5 
26.9 
75.12 
943 
4.83 
28.6 
12288 
4.77 
1 
204.6 
25.8 
75.12 
700 
5.19 
28.9 
9515 
5.00 
195.5 
25.9 
75. 12 
606 
5.41 
29.0 
7691 
5.23 
183.8 
26.0 
75.12 
509 
5.70 
29.1 
6436 
5.45 
175.7 
25.8 
75.12 
455 
5.88 
29.1 
5660 
5.63 
5« 
160.5 
25.5 
75. 12 
370 
6.27 
29.1 
5126 
5.77 
03 
150.9 
25.6 
75.12 
325 
6. 52 
28.8 
3779 
6.22 
147.8 
25.6 
75.12 
319 
6.61 
28.6 
3573 
6.32 
i 
144.6 
25.5 
75.12 
300 
6.68 
28.6 
28.6 
3043 
2795 
6.57 
6.70 
1 
(873) 
