PORCELAIN AIR THERMOMETRY. 
223 
ABLE 65.- 
■ Comparison of air thermometer and thermo-couple, 
constant pressure. 
Scries IV. Method of 
Re-entrant bulb No. 2. v 
= 279. t 
= 10°.4. 
Thermo-coup] 
e No. 37. 
Vi 
Ti 
B a 
T 
Time. 
t 
e™ 
Time. 
Gas- 
cock. 
cc. 
°C. 
cm. 
°G. 
hours. 
°C. 
microvolt. 
hours. 
227.8 
27.2 
76. 01 
976 
2.37 
25.6 
12027 
2.43 
4 
228.5 
27.3 
76.01 
990 
2.47 
25.8 
12096 
» 2.50 
4 
228.6 
27.4 
76.01 
990 
2.53 
25.9 
12133 
2.57 
4 
229.0 
27.6 
76.01 
995 
2.58 
26.0 
12168 
2.60 
4 
225.0 
27.5 
76.01 
923 
2.76 
26.3 
11586 
2.73 
1 
220. 2 
27.4 
76. 00 
847 
2.85 
26.6 
10374 
2.82 
214.8 
27.3 
76.00 
773 
2.95 
27.0 
9560 
2.89 
210.0 
27.2 
76.00 
714 
3.05 
27.2 
8791 
2.97 
204.9 
27.1 
76.00 
659 
3.15 
27.4 
7845 
3.08 
199.8 
27.0 
76.00 
609 
3.27 
27.6 
7091 
3.20 
fa 
. © 
195.2 
26.9 
76.00 
569 
3.38 
27.8 
6467 
3.32 
190.5 
26.8 
76.01 
531 
3.50 
28.1 
5945 
3.43 
O 
185.0 
26.7 
76.01 
490 
3.63 
28.2 
5503 
3.53 
180.2 
26.6 
76.01 
459 
3.75 
28.4 
5040 
3.66 
174.8 
26.4 
* 76.01 
427 
3.87 
28.4 
4593 
3.79 
170.3 
26.3 
75.98 
402 
3.98 
28.4 
4163 
3.93 
J 
Comparison of air thermometer and thermo-couple. Series V. Method of 
constant pressure. 
Re-entrant bulb No. 2. v 
= 279. 
t = 10°. 
Thermo-couple No. 38. 
F, 
T, 
Bt 
T 
Time. 
t 
e-2o 
Time. 
Gas- 
cock. 
cc. 
°a 
cm. 
o(7. 
hours. 
°<7. 
microvolt. 
hours. 
182. 8 
18.8 
76.25 
512 
11.26 
16.6 
5093 
11.17 
2.5 
184.8 
18.8 
76.25 
526 
11.34 
17.0 
5490 
11. 30 
2.5 
189.9 
19.3 
76.20 
565 
11. 67 
17.4 
5851 
11. 51 
2.5 
190.5 
19. 4 
76.20 
568 
11.75 
18.6 
6040 
12.07 
2.5 
105.6 
20.1 
107. 64 
11.88 
19.6 
6132 
12.48 
2.5 
190.0 
19.7 
76.15 
560 
12.05 
*>0.4 
8083 
12.77 
3.0 
105.8 
20.4 
107. 57 
12. 27 
20.8 
8638 
1.01 
3.0 
191.2 
■ 20. 3 
76.12 
567 
12.42 
21. 2 
8781 
1.19 
3.0 
208.0 
21.1 
76.06 
734 
12.88 
21.6 
8856 
1.31 
3.0 
209.0 
21.5 
76. 06 
742 
12.95 
22.1 
9004 
1.61 
3.0 
211.0 
22.0 
70. 00 
760 
1.28 
22.6 
9012 
1.83 
3.0 
212. 8 
22. 5 

774 
1.82 
23.6 
11561 
2.37 
3.7 
225.4 
23.5 
75. 92 
958 
2.42 
23.8 
11880 
2. 50 
3.7 
226.5 
121.4 
23. 6 
24.6 
978 
2.57 
2. 83 
23.8 
24.6 
11998 
12203 
2.62 
2.87 
3.7 
3.7 
118.50 
228.2 
24.2 
118. 50 
1002 
2.97 
24. 8 
12328 
3.00 
3.7 
125. 2 
25.1 
116. 72 
3.17 
25.1 
12366 
3.22 
3.7 
228.9 
24.3 
75.85 
1006 
3.27 
25.4 
12553 
3.38 
3.7 
(877) 
