126 
MESSRS. J. HOPKINSON AND E. WILSON ON THE 
Table V.—Window-Glass Flask. 16tli-31st October, 1896. 
a. Resistance box. 
Kj. ^rd m.f. = 118,000 divisions of large slide condenser. 
Ko. Large slide. When at zero =100 of its own scale divisions. 
,, ,, When at 435 = '00146 
K = '0005 'ni.f, from highest frequency resonance experiments. 
In the diagram, fig. 7, giving curves of conductivity and time for given temperature. 
1 centim. vertical = 2 X 10“® 0- 
1 centim. horizontal = 2 X 10“^ {t) seconds. 
Therefore, area X 4 X 10“® gives capacity in microfarads. 
Time of contact. 
Temperature of Flas 
k, 15-4° C. 
Resistance of 
(It - 
^ c 
-Ac 
F = 
Turns 
Large j 
a 
t 
Flask c in 10® ohms. 
1 
6^ J 7 
of 
Time in 
slide 
J c 
in 10'' 
ohms. 
-- 
- J_A 
milled 
head. 
seconds. 
position 
Kj 
From 
a + Ac 
From 
in 10~® 
w'o. 
Area in 
siqnare 
m.f. 
a + c 
7 
a - . 
K.J 
centims. 
in vi.f. 
0 
•00002 
160 
•0056 
•000794 
3-99 
2-5 
•286 
0 
•00002 
430 
•0090 
•00117 
2-80 
2-0 
••5 
•00035 
11-0 
•000044 
•000.544 
I'O 
•00099 
160 
•105 
48 
48 
•0208 
16-25 
•000065 
•000565 
10 
•00099 
2-0 
•0028 
70 
•130 
, , 
90 
90 
•0111 
•22-05 
•000088 
-000588 
3-0 
•00(50 
1000 
I'OUgll 
•001 
1 
.54-57-3° C. ' 
0 
•00002 
160 
•00608 
•00139 
7-45 
2-76 
•200 
0 
•00002 
430 
•0094 
•00142 
3-27 
2-10 
•5 
•00035 
430 
•055 
1/330000 
12-2 
12-2 
•085 
10-7 
■000043 
•000543 
•.5 
•00035 
160 
•025 
1/1-6x1012 
11-4 
11-4 
1-0 
•00099 
160 
•065 
29-5 
29-5 
•035 
18-6 
•000074 
•000574 
1-0 
•00099 
160 
•062 
•28-1 
•28-1 
2-0 
•0028 
70 
-075 
52 
52 
•019 
26-2 
•0001 
•0006 
:3-0 
•0060 
X 
170 
•0059 
