FORCE OF THE WESTON NORMAL CELL IN SEMI-ABSOLUTE VOLTS. 
175 
The following small variations were obtained for the distances between the edges at 
the external position, with the cylinders in various rotated positions. The third 
column is the difference of the two measurements and represents the lengths of the 
two cylinders :—■ 
Table XII. 
Position of cylinders. 
Distance between inner 
edges. 
Distance between outer 
edges. 
Sum of lengths. 
cm. 
cm. 
cm. 
Initial position 
30-2879 
44-7850 
14-4971 
Rotated 45 degrees 
79 
47 
68 
„ 90 „ 
81 
53 
72 
,, 135 „ 
77 
59 
82 
„ 180 „ 
65 
44 
79 
,, 225 ,, 
59 
42 
83 
„ 270 „ 
66 
43 
77 
,, 315 ,, 
76 
43 
67 
Initial position 
76 
48 
72 
Means . . . 
30-2874 
44-7848 
14-4974 
Each cylinder was reversed in direction, and rotated haphazard into different 
positions, giving for the distances between the inner edges in the different 
positions— 
Table XIII. 
cm. 
cm. 
cm. 
cm. 
30-2875 
30-2868 
30-2886 
30-2872 
30-2875 
30-2866 
30-2881 
30-2869 
Mean 
• • 
30"2873 cm. 
The cylinders now placed end to end at the interior position gave the following 
values for the distance between the outer edges :— 
Table XIV. 
Position of the 
cylinders. 
Distance between the 
outer edges. 
Cylinders reversed in 
direction. 
cm. 
cm. 
Initial position 
14-4978 
14-4986 
Rotated 90 degrees 
81 
82 
,, 180 ,, 
80 
73 
„ 270 „ 
77 
78 
Means . . . 
14-4979 
14-4980 
