CAPTAIN SABINE ON THE REDUCTION TO A VACUUM 
222 
Observers. 
i— T3 
O'o 
Thermometers. 
Gauge. 
Times of 
Arc registered 
and true Arc. 
Correc- 
Corrected 
oi 3 
1 
9 
3 
4 
Disapp. 
Re-app. 
Coincidence. 
Interval. 
tion for 
Arc. 
to 36>. 
Vibrations 
to 36 3 . 
Captain 
Sabine. ' 
r 
1 
2 
X3 
35.5 
36.4 
36.6 
36.7 
inch. 
1.56 
m s 
30 14 
38 40 
m s 
30 26 
38 53 
h m s 
► 3 47 13.62 
3 
( 
Div. o 
0.87= 1.04 
4 
55 33 
55 48 
04 16 
45 53 
54 14 
} 
Captain i 
Sabine. 
r 
5 
17 
18 
36.0 
35.8 
36.7 
36.4 
36.9 
36.7 
36.7 
36.3 
1.69 
2.10 
04 00 
45 27 
53 53 
' J 
>•507.3 
+1.33 
+ 0.23 
86314.30 
Gaugel.88 
19 
( 
► 6 02 30.43 
0.63 := 0.76 
J 
20 
10 48 
19 15 
26 08 
34 34 
43 01 
51 28 
59 57 
49 16 
57 45 
06 13 
11 07 
19 36 
26 32 
35 00 
43 28 
51 57 
00 23 
49 46 
58 13 
06 39 
Captain 
Sabine. 
r 
21 
36 
37 
38 
35.9 
35.8 
36.5 
36.4 
36.8 
36.6 
36.6 
36.5 
2.17 
2.62 
>■507.6 
+0.64 
+0.26 
86313.84 
Gauge2.395 
( 
. 8 43 14.73 
0.42 = 0.50 
J 
39 
1 
Mr. 
Taylor. | 
40 
60 
36.0 
36.6 
36.9 
36.8 
2.69 
3.10 
- 
*1 
J 
^>508.0 
+ 0.25 
+0.19 
86313.65 
Gauge2.88 
61 
62 
35.5 
36.2 
36.3 
36.2 
3.12 
>11 57 58.67 
0.24 = 0.29 
35.75 + 0.75 = 36.50 
2.38 
86313.93 
The air was then admitted, and the following' observations were made on 
the next morning. 
Obs error. 
C '0 
Thermometers. 
Stand- 
ard 
Barom. 
6 S. 
y 0 
1 
2 
3 
4 
Mr. / 
Taylor. 'j 
l 
0 
O 
O 
O 
inch. 
2 
3 
36.1 
36.2 
36.2 
36.4 
29.76 
C3 
*3 
27 
28 
36.4 

36.5 
29.76 
29 
...... 
36.25 
29.76 
Times of 
Disapp. 
Re- 
app. 
Coincidence. 
m 
S 
m 
s 
06 
58 
07 
12 
1 h 
m 
S 
15 
12 
15 
26 
> 0 
15 
19 
23 
26 
23 
40 
J 
40 
51 
41 
38 
1 
49 
05 
49 
54 
> 3 
49 
28.83 
57 
18 
58 
07 
/ 
Arc registered 
and true Arc. 
Mean 
Interval. 
Correc- 
tion for 
Arc. 
Reduct, 
to 36A 
Corrected 
Vibrations 
to 36°. 
86304.18 
86304.18 
Div. o 
0.675=0.81 
0.17 = 0.20 
>494.22 
+ 0.36 
+ 0.10 
29.76; Capill. + 0.019; Reduction to 32° - 0.018; = 29.761. 
The vibrations in air in this experiment were as follows : 
J T,“fiedmrZm USt ° theVibrati0nin *''* } 86304.60 ; Barom. 29.917 inches. 
J X^fied S S,m nt *° thC Vibrati ° n h '} 86304.18 ; Barom. 29-761 
Mean 
86304.39 ; Barom. 29.839 
I he \ dirations in the rarefied medium, re-4 0 „ 010 nQ .-n 0 • i 
i . . , . J (86313.93; Gauge 2.38 inches, 
duced to the same temperature as those > b 
in air J — ~ 1 — 
