18 



THE BELL SYSTEM TECHNICAL JOURNAL, 1957 



Telegraph 

 North Atlantic routes viap 294 

 transatlantic cable 2, 20, 26-27 

 Telegraph Construction and Main- 

 tenance Co., Ltd. 308 

 Telegraphist's Equations See Gen- 

 eralized Telegraphist's Equations 

 Telephone Exchange 



model, statistics 939-64 

 Temperature 

 North Atlantic Ocean 1077-86 

 ocean bottom 1075-86 

 Terminal(s) 



carrier, PI 354, 373-75 

 network, shortest connection 



1389-1401 

 Newfoundland-Nova Scotia link 



227-29 

 transatlantic telephone cable 

 North Atlantic link 52-55 

 Terrenceville, Newfoundland 11, 

 219, 232, 246, 248, 293, 295, 318-19, 

 322, 324; mav 218, 300 

 Test(s), Testing 



biochemical oxygen demand 1098-1 1 14 

 carrier, PI 375 

 electron tube, 6P12 186-88 

 conduit, thin-walled 737-54 

 repeater, flexible 

 North Atlantic link 77-78, 94-96 

 Test Set 



7F 389-90; illus 390 

 conduit, thin-walled illus 739 

 Tharp, Marie 1093 



Theory of Curved Circular Waveguide Con- 

 taining an Inhomogeneous Dielectric 

 (S. P. Morgan) 1209-51 

 Thomas, J. F. P. 



biographical material 346 

 Power-Feed System for the Newfound- 

 land-Nova Scotia Link 277-92 

 Time of Day, and radio transmission 



noise 624 

 Title, R. S. 1337 



Tonawanda Plant (W. E. Co.) 107 

 Townsend, Mark A. 88-90 

 biographical material 830 

 Cold Cathode Gas Tubes for Telephone 

 Switching Systems 755-68 



Traffic 



demand 941 

 engineering 940 

 fluctuations 965-73 

 measurement 939-64 

 Transatlantic Communications — An His- 

 torical Resume (M. J. Kelly, Sir G. 

 Radley) 1-5 

 Transatlantic Radio Telephone 5 

 Transatlantic Telephone Cable 

 cable, see Submarine Cable 

 crosstalk 19-20 

 echo 21 



facilities block diagram 10 

 frequency characteristics 18, 24-26 

 maintenance 21-23, 55-57, 235-41 

 map 8, 302 

 net loss 18 

 noise 19-20 



operating services 21-23 

 performance 24-27 

 profile 304 



repeaters, see Repeater 

 route selection 293-326 

 service objectives 16 

 signaling objectives 20-21 

 submarine cable, see Submarine Cable 

 system planning 15-24 

 telegraph facilities 2, 20, 26-27 

 telephone circuits 9 

 temperature profile 1083 

 transmission objectives 16-18 

 Transatlantic Telephone Cable System - 

 Planning and Over-All Performance 

 (J. W. Emling, R. G. Griffith, R. J. 

 Halsey, E. T. Mottram) 7-27 

 Transducer 

 coupled-wave, problems 391 

 electrohydraulic, J-7 711-36 

 illus 717, 718 



actuating mechanism 719-24 

 cutaway section 716 

 description 715-19 

 exploded view 717 

 hydraulic characteristics 724-34 

 internal view 720 

 ports illus 714 

 See also Vernier Resolver 

 Transformer, carrier, PI 368-69 



