18 



THE BELL TELEPHONE SYSTEM TECHNICAL JOURNAL, 1956 



Newark, New Jersey 

 toll traffic graph 429 

 Nobel Prize in Physics 

 awards 

 1937 

 Davisson, Clinton J. i, iii 

 Thompson, G. P. iii 

 1956 

 Bardeen, John i-iv 

 Brattain, Walter H. i-iv 

 Shockley, William i-iv 

 Noise 

 electron tube 

 traveling wave 

 M1789 1328-35 

 modulator 

 microwave 



temperature requirements 1404 

 Nonlinear Admittance See Admit- 

 tance 

 Nonlinear Capacitor See Capacitor 

 NoNRECiPROCAL Ferrite Device See 



Isolator 

 Number 4 Crossbar System See 



Crossbar System 

 Number 4A Toll Switchinc System 



See Switching Systems 

 Number 5 Crossbar System See Cross- 

 bar System 

 Number 56 A Oscillator See Oscil- 

 lator 

 Number 425B Network See Network 

 Nyquist, H. 



toll traffic study 506 



Observed 5-6mm Attenuation for the 

 Circular Electric Wave in Small and 

 Medium-Sized Pipes (A. P. King) 

 1115-28 

 Office See Central office 

 Ohl, R. S. 



frequency conversion 1416 

 rectifier 

 wave 



millimeter 

 wafer-type 1397 

 semiconductor studies i 

 Ohmic Resistance See Resistance 



Olsen, K. M. 



zone leveler, design 655 

 Olson, E. G. 

 electron tube 

 traveling wave 

 M1789 1343 

 Open-Wire Lines See Transmission 



Lines 

 Operate Speed 



drum, magnetic 707 

 electronics 993 

 relays 995 

 Operating Companies 



functions, primary 422-23 

 Operator Distance Dialing See Dial 



Telephone 

 Oscillator 

 56A 



film scales 



calibration 1148-54 

 Outside Plant Department 

 costs 249 

 concentrator 

 line 



remote controlled 

 economy 249-93 



PIN Diode See Diode: junction: sili 



con: diffused 

 PIN Junction See Junction 

 PM See Phage Modulation 

 P-N-P Transistor See Transistor: 



junction 

 Pairing 



ions 565-636 



calculations 578-82 



carrier 

 mobility 

 effect 601-07 



(by) diffusion 591-601 



energy levels 610-11 



relaxation time 582-91, 607-10 



semiconductors 



phenomena 575-78 



solubility, effect 613-17 



theories 567-75 

 Parabolic Antenna See Antenna 



