RESISTANCE BY A METHOD BASED ON THAT OF LORENZ. 
103 
Table XXIII. — -Results of Measurements at 20°‘0 C. of a Resistance of O'OOl ohm 
(a) when the Coils on Cylinders 1 and 2 only were employed ; (6) when the 
Coils on Cylinders 3 and 4 only were employed. 
(a) Coils on cylinders 1 and 2 used. 
( b) Coils on cylinders 3 and 4 used. 
Date. 
Ring 
position. 
R in 
cm./sec. 
Difference 
from mean. 
Parts 
in 100 , 000 . 
Date. 
Ring 
position. 
R in 
cm./sec. 
Difference 
from mean. 
Parts 
in 100 , 000 . 
15.4.13 
Away 
100089 7 
1-1 
15.4.13 
Away 
100093; 
1-1 
15.4.13 
JJ 
87 4 
1-2 
15.4.13 
5) 
95g 
1-1 
Mean . . . 
100088 6 
Mean . . . 
100094 8 
17.6.13 
Near 
100092 x 
0'1 
17.6.13 
Near 
100089 x 
0-4 
18.6.13 
92 4 
0'2 
18.6.13 
884 
0-3 
Mean . . . 
100092 2 
Mean . . . 
100088 7 
Grand mean = 100 0 904 cm./sec. 
Grand mean = 100091 8 cm./sec. 
Resistance in international ohms = 0'0100039 3 . 
Difference :—Absolute value - international 
value x 10 9 = 51 • 1 parts in 100,000. 
Resistance in international ohms = 0'0 1 0003 93 . 
Difference:—Absolute value - international 
value x 10 9 = 52-5 parts in 100,000. 
Table XXIV. 
No. of 
observations 
in each 
position of 
coils. 
Resistance. 
Difference. 
Parts in 100,000 
tabs, x 10 ~ 9 ) - (int.). 
Standard. 
Absolute 
measure. 
In international 
ohms. 
28 
ohm. 
O'OOl 
cm./sec. 
100091 G 
0'00100039 3 
52's 
12 
0'01 
100090 10 
o -01000383 
51 's 
5 
0'002 
See Table XXII. 
53'o 
2 
Coils 1 and 2 used 
0-001 
1000904 
O'00100039s 
51-i 
2 
Coils 3 and 4 used 
0-001 
100091 8 
O'00100039 8 
52-5 
The agreement is most satisfactory. Weighted mean . . 52 - 0 
