488 



KENNELLY, TAYLOR— PROPERTIES OF 



ural frequency and other constants of the composite single system. 

 The inference seems therefore to be warranted, that any vibratory 



I? 



An Absorption fx'eg/on 

 /5 present at 9/0^, 

 about tt?e A/atura/ 

 Fre^fuency of the 

 Spring Load. 



Telephone PEcErivErP? B 

 Spring Load atCent-er 



JO ZO JO 40 50 £0 



ffesi stance -^ '-^^ -^o ''^ 



Fig. 17. Distorted Impedance Circle. Spring Load Further out of Tune 



witli Diaphragm. 



system including diaphragms properly clamped around their edges ; 

 but so connected as to possess only a single free period, will be 

 unable to produce a distorted motional-impedance circle. 



