ON A CHARGED ELECTRIC CONDENSER. MOVING THROUGH SPACE. 
17!) 
n-99 
+ 
6-38 = 
11 
CO 
00 
T— 1 
II 
zero of 1st 
23 TO 
— 
4-74 = 
= 18-36 = 
,, 2nd 
14-85 
+ 
3-56 := 
=: 18-41 = 
,, 3rd 
21-05 
— 
2-69 = 
= 18-36 = 
,, 4th 
16-37 
+ 
1-94 = 
= 18-31 = 
,, 5th 
Mean 
18'36, which is mean zero. 
Any irregnlarity would have shown itself in a corresponding cliange of 
as calculated from the decrement and the amplitude of any particular swing, 
variations in zero do not amount to more than '05 centim. 
Ohservation of the Effect. 
The following ol)servation is appended as being typical:— 
March 10, 1903. Time 11.45 to 12.15 mid-day. 
1‘xforc CJinrf/i)u/. 
Left. 
Right. 
Mean. 
62-22 
62-35 
62-29 
Zero 62-29. 
Ctinr^ipd to 2100 rolls at 'pt. 
62-.30. 
Left. 
Right. 
61-69 
62-09 
61-89 
61-79 
61-93 
61-86 
61-76 
61-84 
61-80 
Mean . 
61-85 
Deflected 6 
iJisrJiarfifit at 
pt. Gl-84. 
61-80 
62-35 
62-08 
61-98 
62-22 
62-10 
iNlean . 
62-09 
Final zero. 
Initial zero 
62-29 
Final zero 
• 
62-09 
Mean zero 
62-19 
Ileadino- of deflection . 
61-85 
Deflection 
• 
— -34 centim. 
2 A 
7) 
zero 
The 
