227 
1910-11.] Young’s Modulus under an Electric Current. 
Table II. — Final Cycle for 15 Kilos. 
No. 
Temp. 
Elongation for 
5 kilos. 
No. of 
Observations. 
M. 
1 
10°3 C. 
' *02090 cm. 
8 
14-86 x 10 11 
2 
133 
*02042 
10 
15*21 
3 
16-5 
*02006 
8 
15-48 
4 
23-8 
*01941 
7 
16 00 
5 
31*7 
*01895 
5 
1639 
6 
40T 
*01869 
6 
16-62 
7 
49*4 
*01853 
6 
16*76 
8 
573 
*01849 
7 
16-79 
9 
68-2 
*01860 
8 
16-70 
10 
82-9 
*01891 
6 
16*42 
11 
96-4 
*01918 
9 
16T9 
12 
113*5 
*01974 
8 
15-73 
13 
125*6 
•02002 
8 
15*51 
14 
139*1 
•02021 
10 
1537 
15 
157*8 
•02035 
8 
15*26 
16 
142*5 
•02011 
7 
15*44 
17 
13T7 
•01988 
5 
15*62 
18 
120*6 
•01958 
8 
15-86 
19 
102*4 
•01916 
10 
15-21 
20 
79*3 
•01880 
9 
1552 
21 
67*1 
*01884 
9 
15-48 
22 
58*9 
01888 
8 
1545 
23 
50*6 
•01905 
8 
16*30 
24 
42*7 
•01927 
7 
1612 
25 
33*2 
•01959 
6 
15*85 
26 
25*6 
•01989 
5 
15*61 
27 
17*1 
*02024 
9 
15-34 
28 
14*4 
•02037 
8 
15-25 
29 
13*3 
*02042 
6 
15-21 
Total load = 20 kilos. 
= 173 kilos, per sq. mm. 
Table III. 
No. 
Temp. 
Elongation for 
5 kilos. 
No. of 
Observations. 
M. 
1 
12°8 C. 
•02041 cm. 
8 
15-22 x 10 11 
2 
15-7 
•02023 
8 
1535 
3 
21*4 
•01990 
10 
15-60 
4 
26-3 
•01964 
10 
15-81 
5 
32-9 
•01930 
6 
16-09 
6 
395 
•01915 
8 
16-22 
7 
46-2 
•01901 
8 
1634 
8 
53*1 
•01899 
8 
16 35 
9 
61-8 
•01903 
9 
1632 
10 
72*6 
•01913 
7 
16-24 
11 
84-9 
•01935 
8 
16*05 
12 
98-5 
•01969 
8 
15 77 
13 
116-3 
•02006 
9 
1548 
14 
130-0 
•02026 
9 
15-33 
15 
143-7 
•02039 
7 . 
15 23 
16 
158*2 
•02046 
6 
15 18 
