IN CYLINDRICAL CONDUCTORS, ETC. 
73 
Values of F, G, H in Formula (48). 
w/2tt = frequency. 
R 0 = D.C. resistance of cylinder per centimetre. 
z. 
F( 2 ). 
G (z). 
I 
I. 
Currents 
Opposite. 
4 (z). 
II. 
Currents 
Similar. 
0-0 
0-000 
0-000 
0-0417 
+0-0417 
0-5 
0-000326 
0-000975 
0-042 
+0-041 
1-0 
0-00519 
0-01519 
0-053 
+0-033 
1-5 
0-0258 
0-0691 
0-092 
+0-001 
. 2-0 
0-0782 
0-1724 
0-169 
-0-056 
2-5 
0-1756 
0-295 
0-263 
-0-114 
3-0 
0-318 
0-405 
0-348 
-0-152 
3-5 
0-492 
0-499 
0-416 
-0-170 
4-0 
0-678 
0-584 
0-466 
-0-176 
4-5 
0-862 
0-669 
0-503 
-0-181 
5-0 
1-042 
0-755 
0-530 
-0-185 
Large 
(V2z-3)/4. 
(v'2?-l)/8 
0-750 
-0-250 
(9) Test of Formula (48) by Comparison with Experimental Results. —An extensive 
series of measurements of the resistance of a go-and-return system of parallel conductors 
has been made by Kennelly, Laws and Pierce.* 
* ‘ Trans. American Inst. El. Eng.,’ Yol 35, Part 2, 1953, 1915. 
VOL. CCXXII.—A. 
M 
