12 



THE BELL SYSTEM TECHNICAL JOURNAL, 1954 



Sumner, Eric Eden 



biographical material 1021 

 Problems in Percussive Welding 885- 



95 

 Sunde, Erling D. 

 biographical material 798 

 Theoretical Fundamentals of Pulse 



Transmission — / 721-88 

 Theoretical Fundamentals of Pulse 



Transmission — // 987-1010 

 Swickard, A. E. 884 

 Switchboard (s) 

 toll 



idle circuits 324 



outward 303 

 Switching System (s) 

 alternate routing methods 287 

 circuits 



arcing of electrical contacts 535-58 

 common-control type 



special purpose 303 

 dial, dependence on 1267 

 four-wire 308 

 general toll plan 287-90 

 intertoll trunk concentrating equip- 

 ment 303-28 

 nationwide dialing 277 

 No. 4 type 303 

 relay, see Relay(s) 

 trends 1111 

 See also Crossbar System(s) 



Technical Papers, Bell Sj'stem, not 

 published in this Journal 789-96, 

 1011-18, 1195-1205, 1387-98 - 

 Telephone 



calls, see Call(s) 



central office, see Central Office 

 dial, see Dial Telephone 

 power plants, see Power Plants 

 relay, see Relay(s) 

 Telephone Number(s) 

 nationwide plan 277 

 Telephone Set 

 500-type 



dial, 7-type, governor for 1267- 

 1307 



Telephone Traffic 



alternate routing, engineering tech- 

 niques for determining trunk re- 

 quirements 277-302 

 group busy hour versus office busy 



hour traffic 294-97 

 high usage groups 



location 290 

 intertoll trunk concentrating equip- 

 ment 303-28 

 random versus non-random 298 

 traffic engineering techniques for 

 determining trunk requirements in 

 alternate routing trunk networks 

 277-302 

 See also Busy-Hour (s) 

 Temperature 

 junction diodes in telephone power 

 plants 831-32 

 Tensile Testing 4-6 

 Terry, Milton E. 



Application of Designed Experiments 



to the Card Translator 369-98 

 biographical material 515 

 Test Set(s) 



(for) relays 925-38 

 (for) repeaters 1083-85 

 Theoretical Fundamentals of Pulse Trans- 

 mission— I (E. D. Sunde) 721-88 

 Theoretical Fundamentals of Pulse Trans- 

 mission— II (E. D. Sunde) 987-1010 

 Thickness Measurement and Control in 

 the Manufacture of Polyethylene 

 Cable Sheath (W. T. Eppler) 559-77 

 Thyraton Tube Rectifier See Recti - 



fier(s) 

 Time See Operate Time; Transit Time 

 Tiner, Mrs. R. M. 1052 

 Toll Calls See Call(s) 

 Toll Crossbar Switching Office, 



first 227 

 Toll Dialing See Dial Telephone 

 Torcidal Coil 



magnetic field 42 

 Traffic See Telephone Traffic 

 Traffic Engineering Techniques for Deter- 

 mining Triink Requirements in 

 Alternate Routing Trunk Networks 

 (C. J. Truitt) 277-302 



