1907-8.] Young’s Modulus under an Electric Current. 
659 
Total load = 2*0 kilos. 
= 36*54 kilos per sq. mm. 
Table III. 
No. 
Temp. 
Elongation for 
500 grams. 
No. of 
Observations. 
M. 
1 
18°8 C. 
•05020 cm. 
8 
17-49 xlO 11 
2 
26-3 
•05029 
8 
17-46 
3 
35-5 
•05037 
8 
17-43 
4 
42-9 
•05034 
8 
17-44 
5 
50-8 
•05052 
7 
17-38 
6 
57*4 
•05043 
8 
17-41 
7 
65*7 
•05052 
8 
17-38 
8 
76-2 
•05058 
6 
17-36 
9 
89-6 
•05082 
6 
17-28 
10 
100-3 
•05070 
8 
17-32 
11 
116-5 
•05091 
8 
17-25 
12 
108-5 
•05094 
8 
17-24 
13 
97-7 
•05076 
8 
17-30 
14 
84-1 
•05064 
10 
17-34 
15 
71-4 
•05064 
8 
17-34 
16 
60-3 
•05043 
8 
17-41 
17 
51-9 
•05049 
9 
17-39 
18 
43-2 
•05037 
8 
17-43 
19 
36-8 
•05026 
8 
17-47 
20 
29-5 
•05034 
8 
17-44 
21 
24-1 
•05031 
8 
17-45 
22 
19-0 
•05023 
8 
17-48 
Ordinary Heating. 
Length = 94*60 cms. 
Load = 1*2 kilos. 
Table IV. 
No. 
Temp. 
Elongation for 
500 grams. 
No. of 
Observations. 
M. 
1 
17 °5 C. 
*04644 cm. 
6 
18-22 xlO 11 
2 
35-0 
•04680 
5 
18-08 
3 
78-0 
•04734 
6 
17*87 
4 
100-0 
•04777 
7 
17-71 
5 
129-0 
•04829 
6 
17-56 
