372 
INDEX. 
magnetization, 166; relation between tlie rotational coefficient of metals and the alteration of resis¬ 
tance produced by mechanical stress, 167; relation between electrical resistance and viscosity, 168; 
summary of Part II., 169. 
U. 
Unit of electrical resistance, 173, 223, 295 (see Rayleigh and Glazebrook). 
y. 
Viscosity, relation between, and electrical resistance, 168. 
W. 
Weierstkass, Abelian functions after him, 347 (see Forsyth). 
Wertheim, experiments of, on elasticity discussed, 14, 128. 
