90 



Professor J. A. Fleming 



[March 2' 



the effect of the fluid friction in retavdins: them less marked sensible. 

 A,u:ain. if we suppose the steel wire to be imperfectly elastic and to 



I. — STANDixa Waves on Unloaded String. 



I. — Standing Waves on String Half Loaded, Half Unloaded. 



III. — Reflection of Wave by Load at Centre of String 



IV. — Standing Waves on String Half Single, Half Fourfold. 



V. — Standing Waves on Loaded String, Wave-length Covers about 



Three Loads. 



possess in some degree a quality like pitch or wax of yielding to a 

 slow steady stress, l)ut not to a rapidly alternating one, it will be 



