320 
MR. airy’s account OF THE HARTON EXPERIMENT 
First Series. Pendulum 1821 above. 
No. of 
Swing. 
Number of 
Coincidences. 
Number of 
Intervals. 
Mean 
Interval. 
Arc of Vibration. 
Mean of 
Thermo- 
meter 
Readings. 
Mean of 
Barometer 
Readings. 
Corrected 
Log. Rates of 
Pendulum on 
Shelton. 
Beginning. 
End. 
Beginning. 
End. 
1 
3 
3 
22 
s 
493-182 
1-91 
0-58 
5^81 
in. 
29-930 
9-99830603 
2 
3 
3 
21 
492-341 
1-75 
0-60 
58-78 
29-856 
466 
3 
3 
3 
28 
491-923 
1-90 
0-44 
58-81 
29-729 
284 
4 
3 
2 
23 
491-399 
1-85 
0-59 
59-38 
29-537 
209 
3 
3 
2 
17 
491-711 
1-79 
0-67 
58-84 
29-503 
211 
6 
3 
3 
22 
492-470 
1-88 
0-63 
58-30 
29-658 
409 
7 
3 
3 
22 
492-553 
1-71 
0-59 
58-26 
29-763 
410 
8 
3 
3 
22 
492-932 
1-64 
0-50 
57-54 
29-834 
379 
9 
2 
2 
27 
493-352 
1-77 
0-42 
56-88 
29-896 
406 
10 
3 
3 
20 
493-450 
1-83 
0-66 
56-79 
29-895 
488 
11 
3 
3 
24 
493-167 
1-98 
0-55 
57-64 
29-861 
556 
12 
3 
2 
24 
492-719 
2-13 
0-60 
57-00 
29-813 
295 
13 
3 
3 
22 
493-235 
1-92 
0-61 
56-98 
29-700 
421 
14 
3 
3 
23 
492-391 
2-09 
0-55 
57-44 
29-553 
201 
15 
3 
3 
20 
492-759 
1-88 
0-62 
57-89 
29-488 
394 
16 
3 
3 
22 
492-507 
1-99 
0-61 
58-25 
29-395 
379 
17 
3 
3 
22 
492-371 
1-88 
0-59 
58-61 
29-298 
363 
18 
3 
3 
21 
492- 126 
1-91 
0-71 
58-55 
29-218 
282 
19 
3 
3 
20 
492-625 
1-88 
0-65 
58-78 
29-243 
495 
20 
3 
3 
23 
493-189 
1-85 
0-58 
58-10 
29-272 
541 
21 
3 
3 
23 
493-217 
1-87 
0-63 
57-94 
29-318 
542 
22 
4 
3 
20 
493-775 
1-70 
0-57 
57-55 
29-366 
628 
23 
3 
3 
21 
493-722 
1-91 
0-58 
57-13 
29-438 
569 
24 
3 
3 
24 
493-882 
2-02 
0-56 
56-55 
29-537 
539 
25 
3 
3 
22 
493-879 
1-95 
0-63 
56-41 
29-622 
529 
26 
3 
3 
24 
493-764 
2-03 
0-56 
56-44 
29-702 
504 
Second Series. Pendulu 
m 8 above. 
27 
4 
4 
27 
376-519 
1-96 
0-60 
54-18 
29-699 
9-99775000 
28 
4 
4 
29 
376-082 
1-97 
0-66 
55-71 
29-725 
5069 
29 
4 
4 
33 
375-803 
2-03 
0-54 
56-13 
29-770 
4974 
30 
4 
4 
28 
375-647 
1-85 
0-62 
56-58 
29-820 
4965 
31 
3 
3 
31 
375-650 
2-00 
0-62 
56-53 
29-864 
4990 
32 
4 
4 
33 
375-534 
2-03 
0-52 
56-45 
29-892 
4887 
33 
3 
3 
29 
375-511 
1-93 
0-61 
58-05 
29-916 
5211 
34 
3 
2 
31 
375-191 
2-00 
0-63 
59-26 
29-908 
5279 
35 
3 
3 
32 
375-162 
1-77 
0-51 
59-84 
29-869 
5306 
1 36 
4 
4 
28 
374-938 
1-82 
0-61 
60-01 
29-808 
5223 
1 37 
4 
4 
29 
375-172 
2-00 
0-62 
59-48 
29-878 
5303 
38 
4 
4 
33 
375-424 
1-90 
0-64 
57-95 
30-024 
5157 
39 
4 
4 
29 
375-397 
1-98 
0-68 
57-68 
30-134 
5127 
40 
4 
4 
31 
375-665 
1-93 
0-60 
57-76 
30-235 
5299 
41 
•3 
2 
35 
375-8O7 
2-03 
0-54 
57-04 
30-358 
5262 
42 
3 
3 
30 
376-428 
1-90 
0-51 
56-43 
30-445 
5505 
43 
4 
4 
30 
376-692 
1-81 
0-54 
55-36 
30-518 
5454 
44 
4 
4 
32 
376-902 
1-95 
0-53 
55-23 
30-.567 
5583 
45 
3 
3 
27 
376-729 
2-07 
0-73 
55-30 
30-561 
5566 
46 
4 
4 
30 
376-458 
1-98 
0-63 
55-84 
30-557 
5466 
47 
4 
4 
34 
376-507 
1-99 
0-57 
55-95 
30-535 
5502 
48 
4 
4 
30 
376-425 
1-84 
0-57 
56-56 
30-493 
5545 
i 49 
4 
4 
30 
376-308 
1-96 
0-62 
56-61 
30-430 
5504 
50 
4 
4 
34 
376-158 
2-03 
0-55 
56-78 
30-399 
5437 
i 51 
1 4 
4 
28 
376-304 
1-88 
0-64 
56-86 
30-368 
5533 
52 
i 2 
1 
3 
33 
376-126 
1-91 
0-52 
57-38 
30-343 
5503 
