226 
MR. HEARN ON DISCREPANCIES OBSERVED 
Experiments. 
1893 
1894 ' 
1895 ' 
1896 ' 
Quantities proportional to magnetic action. 
-18067 
-14398 
-11613 
Supposing the apparatus in the normal state. 
I think it is to be regretted that in Mr. Baily’s experiments he should have so 
seldom mentioned in what position the masses had been left during the night ; this 
last example is one of the cases in which he distinctly mentions that the masses had 
remained in the positive position during the night, and the first observation next 
morning was taken from the spontaneous motion of the rod. Accordingly we find the 
magnetic action positive, and diminishing subsequently, as we would have been led 
to expect from the circumstances. - 
The following is an instance in which the magnetic action is negative, and I have 
placed in juxtaposition the gravitating energy. 
Dec. 8, 1841. Expts. 
1229 
1230 
1231 
1232 
1233 
1234 
1235 
1236 
1237 
1238 
1239 
1240 
1241 
1242 
Hence A=5’3923. 
Magnetic action. 
1_1 
5 S 1 ' 
-•59781 . . 
— '61569 . . 
— -63164 . . 
— -63573 . . 
— -64200 . . 
— •65325 . . 
— •668 77 • • 
— •69288 . . 
-71039 . . 
— 72582 . . 
-74456 . . 
-76577 . • 
— 7982 7 . . 
Mean 
Gravitating action. 
1 1 
. -36883 
. -35095 
. -36690 
. -36281 
. -36908 
. -35783 
. -37335 
. -34924 
. *36675 
. -35132 
. -37006 
. -34885 
. -38135 
. -37090 
• 18545 = 4 - 
Again, from the same series of experiments : — 
Experiments. Magnetic action. 
1 _1 
S S 1 ' 
1243 
1244 
1245 
1246 
1247 
1248 
1249 
2-70630 
270244 
2-70090 
2-69498 
271824 
272141 
2-71262 
/ 
Gravitating action. 
1 1 
S + S r 
•38762 
•38376 
•38530 
•37938 
•35612 
•35929 
•36808 
l £-\ r f\ 
