MEASUREMENT OF TEMPERATURE. 
211 
Table A.-iv.—C omparison of Platinum and Air Thermometers—( continued). 
Time. 
Auxiliary 
thermo¬ 
meters. 
Kesistanees 
observed. 
HoSOj 
gauge. 
Mercury 
manometer. 
Barometer 
and 
attached 
thermo¬ 
meter. 
■sg 
ji1 
s £ 
3 / 
&■§ 
results. 
Spiral. 
Connec¬ 
tion. 
X 
M b 
6.25 
6.30 
6.36 
6.42 
A. 20-0 
R. 19-2 
M. 20T 
22-38 
22-32 
22-27 
22-23 
1-155 
3 17 
2- 40 
3- 29 
2-08 
50-88 
50- 89 
51- 43 
51-22 
15-57 
15-57 
15-87 
15-78 
30-024" 
70-2° F. 
(5) 
pt = 26-89° 
t = 26-58° 
mlc = 8-747 
Aug. 10 
11.6 
R. 18-5 
A. 19-4 
21-758 
1-134 
1-58 
54-07 
M. 19 
18-54 
•4° 
29-722" 
68-6° F. 
(6) 
pt = 18-93° 
t = 18-66° 
mlc - 8’747 
12.34 
12.38 
12.43 
12.48 
12.52 
12.56 
A. 19-5 
R. 187 
M. 196 
A. 19-5 
R. 187 
20-451 
20-451 
20-450 
20-450 
20-449 
20-449 
1-075 
2-50 
1-30 
4-97 
1- 98 
4-46 
2- 41 
55- 33 
54- 95 
56- 23 
55- 21 
56- 07 
55-39 
17-17 
16- 95 
17- 67 
17-12 
17-58 
17-22 
29-700" 
69-1° F. 
(7) 
R 0 = 19-944 
t = 0° 
mlc = 8-745 
1.45 
1.53 
1.58 
A. 19-3 
R. 18-8 
M. 19-5 
20-449 
20-449 
20-450 
1-076 
2-55 
1-00 
5-80 
55-40 
54-83 
5657 
17-23 
16- 93 
17- 89 
29-695" 
68-6° F. 
(8) 
Same. 
i 
4.12 
4.16 
4.22 
4.28 
A. 20-0 
M. 20T 
R. 20-5 
27-27 
27-28 
27-29 
27-28 
1-405 
3-17 
3-35 
3-57 
1-20 
51-12 
51-12 
51 11 
50-40 
26-18 
26-18 
26-16 
25-85 
29-716" 
66-6° F. 
(9) 
pt - 99-0° 
t = 99-0° 
mlc - 8'746 
Aug. 11 
11.56 
12.4 
12.7 
12.12 
12.14 
A.'20-3 
R. 18T 
M. 23-0 
46-81 
46-79 
46-76 
46-78 
46-79 
46-81 
2-129 
2 136 
2-50 
2-70 
2-73 
2- 90 
2-82 
3- 00 
34-39 
36-10 
36- 17 
3617 
37- 79 
37-78 
49- 36 
50- 98 
50-97 
50-97 
52-60 
52-59 
29-985” 
69-4° F. 
(10) 
t - 401-1° 
pt = 382-2° 
d - 18-9° 
1.5 
1.7 
1.9 
1.12 
A. 20-6 
R. 18-9 
M. 22-2 
52-18 
52-32 
52-46 
52"56 
2-350 
2-358 
3- 40 
4- 30 
3-00 
3-65 
28-98 
28-97 
28-00 
28-00 
55-53 
55-55 
55-30 
55-30 
29-987" 
68-7° F. 
(ID 
t = 495-7° 
pt = 463’5° 
d = 32-2° 
2.47 
2,51 
3.0 
A. 19-6 
R, 18-8 
M. 20-8 
40-57 
40-53 
40-54 
40-56 
1-895 
4-37 
3-12 
2-20 
1-90 
41-84 
41-84 
41-22 
43-08 
43-20 
43-18 
43-03 
45-02 
29-978” 
68-1° F. 
(12) 
t =: 301-9° 
pt = 291-6° 
d = 10-3° 
2 e 2 
