SKIN EFFECT 75 



outside the wire, and is the same as the value previously 

 obtained. (See equations 6 and 7.) 



REFERENCES. 



Maxwell, Elec. and Magn., Vol. II, Para. 689-690. 

 Rayleigh, Phil. Mag., 1886, Vol. 21, page 381. 

 Kelvin, Math. Papers, 1889, Vol. 3, page 491. 



Rosa and Grover, Bulletin of Bureau of Standards, Washington, 1911, 

 Vol. 8, No. i, pages 173-181. 



