286 Mr Sears, On the Longitudinal Impact, etc. 
Calibration of Galvanometer. Volts kept steady at 2 400. 
Ul 
'rJ 
l 
O 
i— l 
Galvanometer 
m 
T5 
c3 
Galvanometer 
Zero 
Fling 
Net 
fling 
Mean 
CO 
1 
O 
rH 
Zero Fling 
Net 
fling 
Mean 
•05 
4-6- 
4-6 
4-6 
4-6 
8-6- 
8 - 6 + 
8-6 
8-6 + 
4-0 
4-0 + 
4-0 
4-0 + 
4-01 
•4 
465 
4-65 
4-6 + 
4-65 
37-15 
37-20 
37-2- 
37-2- 
32-5 
32-55 
32-55 
32-55- 
32-53 
•1 
4-6 
4-6 
4-6 
4-6 
12-7 
12-7 
12*7 — 
12-7 
8-1 
8-1 
8-1 - 
8-1 
8-09 
•5 
4-65 
4-65 
4-65 
4-65 
45-3 + 
45-3 + 
45-3 
45-3 + 
40-65 + 
40-65 + 
40-65 
40-65 + 
1 
40-67 
1 
•2 
4-6 + 
4-6 + 
4-6 + 
4-6 + 
20-9- 
20-85 
20-9- 
20-85 
16-25 
16-25- 
16-25 
16-25- 
16-24 
•6 
4-45 
4-45 
4-45 
4-4 + 
53-3 
53-3 
• 
48-85 
48-85 
48-85 
. o 
O 
4-6 + 
4-6 + 
4-6 + 
4-6 + 
29-0 
29-0- 
28- 95 
29- 0- 
24-4- 
24-35 
24-3 + 
24-35 
24-35 
•8 
69-6 + 
69-6 
65-15 + 
65-2 — 
65-17 
Plotting gives an absolutely straight line, with the relation 
q = 2-945 x 10~ 8 8. 
