INDEX 



9 



Oi'KRATE Time 



(of) relays 109-86 

 OPERATOR Toll Dialing 277 

 Os^ciLLOscorE, cathode ray 17 

 O 'Toole, J. L. 369 



Parabolic Cylinder 



])lane radio waves, diffraction of 

 417-504 

 Paulson, C. 884 

 I'eek, Robert L., Jr. 

 Analysis of Measured Magnetization 



and Pull Characteristics 79-108 

 biogra])hical material 275 

 economics of telephone relay applica- 

 tions 256 

 electronic rela}^ tester 938 

 Estimation and Control of the Operate 

 Time of Relays: Part I — Theory 

 109-43 

 Magnetic Design of Relays 23-78 

 Principles of Slow Release Relay 

 Design 187-217 

 Percussive Welding See Welding 

 Perturbation Methods 1134-68 

 Peterson, J. W. 532 

 Pferd, William 

 biographical material 1398-99 

 Governor for Telephone Dials — Princi- 

 ples of Design 1267-1307 

 Phenolic Resin See Resin 

 Pierce, John R. 

 biographical material 1399 

 Wave Picture of Microwave Tubes 



1343-72 

 wave propagation along an electron 

 beam 416 

 P-N-I-P and N-P-I-N Junction Tran- 

 sistor Triodes (J. M. Early) 517-33 

 P-N-I-P Junction Transistor See 



Transistor (s) 

 Polder Relation 1172 

 Polyethylene 



cable sheath thickness 559 

 Positive Resistance See Resistance 

 Power 



P-N-I-P and N-P-I-N junction tran- 

 sistor triodes 517 



Power Plants (Telej)hone) 

 junction diodes 827-58 

 transistors 827-48 

 Posin, M. 327 

 Principles of Sloiv Release Relay Design 



(R. L. Peek, Jr.) 187-217 

 Problems in Percussive Welding (E. E. 



Sumner) 885-95 

 Pulse Transmission See Transmission 



Quate, C. F. 



wave propagation along an electron 



beam 416 

 Quinlan, A. L. 



Automatic Contact Welding in Wire 



Spring Relay Manufacture 897-923 

 biographical material 1020 



Radio 



propagation over a succession of 



ridges on the earth's surface 438 

 short waves 

 hills, the effect of 417-504 

 Rafuse, Irad S. 



biological material 1207 

 New Multicontact Relay for Telephone 

 Switching Systems 1111-32 

 Randall, Mrs. K. R. 

 economics of telephone relay applica- 

 tions 256 

 slow release relay design 217 

 Read, W. T., Jr. 1052 

 Rebarber, Mrs. A. 1194 

 Recorder (s) 



X-Y 5, 8-9 

 Recording Fluxmeter See Fluxmeter 

 Rectifier(s) 

 germanium, 65-volt, 200-ampere 855 

 junction 828-31 

 magnetic 



regulated 854 

 thyraton tube 851-54 

 Reference Voltage Diode See Di- 

 ode (s) 

 Regulator (s) 

 current 849 

 series 844 



