808 
MR. H. TOMLINSON ON THE INFLUENCE OF STRESS AND 
Experiment I, 
A wire of pure copper, hard-drawn, 602'5 centims. in length and ‘009383 square 
centim. in section, allowed to rest for 24 hours after adjustment. Time of a 
single vibration, 13‘930 seconds. 
Departure 
Humber 
Observed 
arc in 
Pairs of 
arcs between 
Mean of 
Total mean 
Probable 
error of 
Logarithmic 
decrement for 
of logarithmic 
decrement 
of arc. 
scale-divisions. 
which means 
are taken. 
pairs. 
total mean. 
one vibration. 
for one 
vibration from 
the mean. 
1 
2 
281-9 
280-3 
1—6 
279-60 
3 
4 
280-4 
279-8 
2—5 
279-10 
279-60 
•06 
5 
6 
277-9 
277-3 
3—4 
280-10 
71 
72 
233-0 
232-5 
71—76 
231-75 
73 
74 
232-0 
231-0 
72—75 
231-70 
231 65 
•04 
•001167 
•oooooo 
75 
76 
230-9 
230-5 
73—74 
231-50 
141 
142 
193-8 
192-3 
141—146 
192-30 
143 
144 
191-8 
191-8 
142—145 
192-00 
192-03 
•09 
•001164 
-•000003 
145 
146 
191-7 
190-8 
143—144 
191-80 
211 
212 
159-6 
159-6 
211—216 
159-15 
213 
214 
159-6 
158-7 
212—215 
159-10 
159-14 
•01 
•001166 
-•000001 
215 
216 
158-6 
158-7 
213—214 
159-15 
421 
422 
91-0 
90-5 
421—426 
90-50 
423 
424 
90-3 
90-2 
422—425 
90-35 
90-36 
•06 
•001170 
4- -000003 
425 
426 
90-2 
90-0 
423—424 
90-25 
Mean 
•001167 
