rHE BELL SYSTEM 



/ 



echmcai lournal 



EVOTED TO THE SC I E NTI FIC^^^ AND ENGINEERING 

 SPECTS OF ELECTRICAL COMMUNICATION 



OLUME XXXIII SEPTEMBER 1954 NUMBERS 



' — KANSA.y ^i'VV, MO. — " 



PUi>LiC LIi>i<ARY 



OCT 5,^^954 



Motion of Individual Domain Walls in a Nickel-Iron Ferrite 



J. K. GALT 1023 



Negative Impedance Telephone Repeaters 



J.ti. MERRILL, JR., A. F. ROSE, A^i^D ,!,<). SMETHTJRST 1055 



Stress Systems in the Solderless Wrapped Connection and Their 



Permanence w. p. mason and o. l. Anderson 1093 



A New Multicontact Relay for Telephone Switching Systems 



I. S. RAFUSE 1111 



Topics in Guided Wave Propagation Through Gyromagnetic Media 

 Part III — Perturbation Theory and Miscellaneous Results 



H. SUHL AND L. R. WALKER 1133 



Bell System Technical Papers Not Published in this Journal 1195 



Recent Bell System Monographs 1201 



Contributors to this Issue 1206 



COPYRIGHT 1964 AMERICAN TELEPHONE AND TELEGRAPH COMPANY 



