fAs Hiii.i. sysrr.M rnciiMC.ir. joirx.-ii. 



In SDllH- ri--|H( 1^. llic i.i-r ilhwIiMlrd 1 1\ Mil;. ■") i- llu- mn>\ i^riuT.il 

 rase, from vvliiih .ill oiIut r.i^r- i ,in \n- oln.iim'rl li\- a i iiuiniiniis Iimiis- 

 lorniation of the n)<)i>. Iwn nl ilir adjacenl real nints may Ix- hrnught 

 U)j;ci1kt lo a siiiKlf ilduhlr nnit; iho corresponding boundary curve 

 ilu-n -lirinks lo a cusp ai tiiis poinl on the real axis, and the rectangle 



Kig. S — Domain of the pdIps of the ilrivlim-point impetlance of a two-mcsh circuit 



with four real roots, showing the portions of the (h)main realizable by each network 



listed in Table III. 



