ELECTROMAGNETIC UNIT OF ELECTRICITY TO THE ELECTROSTATIC UNIT. 621 
The following table taken from Mr. E. B. Eosa’s paper on the Determination of 
“v” (‘Phil. Mag./ vol. 28, 1889, p. 315), gives the results of previous determinations 
of “ V ” 
1856. 
Weber and Kohlraltsoh . 
. . 3-107 
X 
lOP 
1869. 
W. Thomson and King 
. . 2-808 
X 
10^^. 
1868. 
Maxwell ...... 
. . 2-842 
X 
10 ^0, 
1872. 
M‘Kichan ... . . 
. . 2-896 
X 
10^^ 
1879. 
Ayrton and Perry . . . 
. . 2-960 
X 
10^0. 
1880. 
Shida. 
. . 2-955 
X 
10^'^. 
1883. 
J. J. Thomson. 
. . 2-963 
X 
lO^'t 
1884. 
Klemencic ...... 
. . 3-019 
X 
10^". 
1888. 
Himstedt. 
. . 3-009 
X 
10^". 
1889. 
W. Thomson. 
. 3-004 
X 
10^". 
1889. 
E. B. Eosa. 
. . -2-9993 
X 
10"t 
