4 
ME. E. J. STONE ON THE VELOCITY OF SOUND. 
Table I. — Experiments for the Determination of the Velocity of Sound. 
No of 
Expt. 
Date. 
Thermometers. 
Barometer. 
Wind. 
Observed 
diff. 
Correction 
for motion 
of air. 
Diff. cor- 
rected for 
motion 
of air. 
Residuals 
computed 
— ob- 
served. 
Dry. 
Wet. 
Direc- 
tion, 
Az. 
Velocity, 
in miles 
per 
hour. 
1871. 
O 
in. 
s. 
s. 
s. 
s. 
D 
Feb. 27 
80-4 
66*6 
30-036 
188 
7 
13-10 
— 0-01 
13-09 
-0-01 
2- 
Feb. 28 
77-6 
69-8 
29-986 
158 
9 
13-32 
-0-09 
13-23 
-0-11 
3. 
Mar. 1 
69-0 
61-1 
30-222 
173 
2o 
13-53 
— 0-14 
13-39 
-0-17 ! 
4. 
Mar. 2 
79-4 
63-0 
30-193 
177 
18 
13-22 
-0-08 
13-14 
— 0-04 
•5. 
Mar. 3 
88-1 
66-7 
30-000 
326 
4 
12-88 
+ 0-05 
12-93 
+ 0-07 
6. 
Mar. 4 
75"3 
67-4 
30-067 
186 
19 
13-29 
— 0-04 
13-25 
-0-10 
7. 
Mar. 6 
71-6 
6l-8 
30-152 
175 
32 
13-46 
— 0-17 
13-29 
— 0-10 
8. 
Mar. 7 
82-1 
65*2 
30-084 
163 
9 
13-05 
-0-08 
12-97 
+ 0-10 
9. 
Mar. 9 
74-4 
67*5 
30-130 
315 
9 
12-81 
+ 0*13 
12-94 
+ 0-21 | 
] 0. 
Mar. 23 
69-0 
57*3 
30-194 
171 
12 
13-26 
-0-08 
13-18 
+ 0-04 
11. 
Mar. 24 
71-9 
61-0 
30-229 
275 
7 
13-15 
+ 0-12 
13-27 
-0-09 
12. 
Mar. 27 
82*1 
64-5 
29-964 
315 
5 
1 2'95 
+ 0-07 
13-02 
+ 0-05 
13. 
Mar. 30 
58-9 
52-4 
30-128 
213 
10 
13-16 
+ 0-06 
13-22 
+ 0-11 
14. 
Mar. 31 
65-7 
59-5 
30-286 
275 
5 
1 3-32 
+ 0-09 
13-41 
-0-16 
15. 
April 1 
70-2 
63*7 
30-176 
3 80 
18 
1 3-36 
-0-07 
13-29 
-0-09 
16 . 
April 4 
74-7 
63-3 
29-929 
328 
7 
12-84 
+ 0-09 
12-93 f 
+ 0-23 
17. 
April 5 
68-0 
63-5 
29-988 
302 
10 
13-02 
+ 0-16 
13-18 
+ 0-05 
18. 
April 6 
69-0 
62-6 
30-218 
281 
9 
13-13 
+ 0-16 
13-29 
-0-07 
19. 
April 11 
80-0 
65*4 
30-150 
152 
9 
1319 
— 0-10 
13-09 
0-00 
20. 
April 12 
77*0 
66-2 
30-146 
158 
14 
13-27 
-0-14 
13-13 
0-00 
21. 
April 13 
71-4 
63-7 
30-050 
167 
15 
13-38 
-0-11 
13-27 
-0-08 
22. 
April 15 
7 0-5 
63-8 
30-216 
0 
1 
12-87 
0-00 
12-87 
+ 0-33 
23. 
April 17 
64-1 
6o-l 
30-060 
318 
5 
13-44 
+ 0-08 
13-52 
— 0-25 
24> 
April 25 
58-4 
54-1 
30-074 
121 
3 
13-42 
-0-05 
13-37 
-0-03 
25. 
April 27 
64-0 
58-0 
30-336 
270 
2 
13-19 
+ 0-03 
13-22 
+ 0-06 
26 . 
April 28 
62-5 
55-6 
30-280 
315 
9 
12-82 
+ 0-13 
12-95 
+ 0-35 
27- 
April 29 
67-8 
55-3 
30-262 
158 
9 
13-43 
-0-09 
13-34 
-0-10 
28. 
May 1 
83-0 
60-8 
30-056 
282 
11 
12-92 
+ 0-19 
13-11 
-0-05 
29. 
May 6 
65-0 
60-3 
30-037 
343 
2 
13-64 
+ 0-02 
13-66 
-0-40 
30. 
May 8 
62-3 
59-1 
30-028 
321 
9 
13-22 
+ 0-13 
13-35 
— 0-05 
31. 
May 9 ...... 
62-6 
59-5 
29-942 
357 
8 
13-19 
+ 0-04 
13-23 
+ 0-06 
32. 
May 12 
66-4 
58-9 
30-006 
279 
11 
13-09 
+ 0-19 
13-28 
— 0-04 
33. 
May 16 
61-2 
59-3 
29-924 
321 
7 
12-95 
+ 0-10 
13-05 
+ 0-26 
34. 
May 20 
6l-2 
55-2 
30-136 
343 
6 
13-16 
+ 0-05 
13-21 
+ 0-10 
35. 
May 23 
68-2 
55-6 
30-128 
315 
4 
13-24 
+ 0-06 
13-30 
-0-07 
36. 
June 6 
55-6 
50-4 
30-050 
264 
14 
12-99 
+ 0-23 
13-22 
+ 0-15 
37- 
June 9 
61-7 
56-1 
30-176 
304 
11 
13-15 
+ 0-18 
13-33 
-0-02 
38. 
\ — 
June 26 
53-4 
51-2 
30-270 
197 
15 
13-50 
+ 0-02 
13-52 
I 
-0-12 
