None
. 188-194 573 Center of Distribution and Location of 203 Cable, Telephone, British Post-Office . 188 Feeders. 204 Cable, Patterson, Telephone. . 188-189 460 Character of Dielectrics .... 205 Cables, Glover, Telephone .. . 189-190 171 Chenowith Conduit, The .... 206 Cables, Fowler-Waring, Telephone . . 190 10 Circular Mil, The. . . 8 207 Cable. F e 1 1 e n-G u i 1 1 e au m e, Tele- 16 Circular Millage of Combinations of phone. . 191-192 Wire 000 to No. 3. . 22-24 208 Cable, Beaded, Hermann, The, Tele- 53 Circuits, Power. . 72-76 phone. . 192-193 72 Circuits, Electric Railway . .. . . 77 209-210 Cable Joints and Splices . .. . 193-195 73-85 Circuit, Railway Return .... . 77-90 211 Cable Heads. 75-77 Circuit- Rails as Railway Return. . 82-84 377 Cables, Conduit, Heating of . . .308 115-162 Circuits, Insurance Regulations. 125-140 33-35 Calculations for Pole Strength. . . 41—45 185 Circuits, The Introduction of .. 167-168 240 Calculation for Boyer’s Speed Recorder 222 196 Circuits, Edison. 178-182 INDEX. 571 ART. PAGE. 197 Circuits, The Farranti .... 182-183 200 Circuits, Power Distribution . . 185-18G 308-316 Circuits, Alternating Currents, Measure¬ ments on . 257-259 391 Circuits, Alternating, Expenditure of Energy in .. 395-396 Circuit Constants, Average Values of . 322-324 397-398 Circuits Containing Resistance and In¬ ductance . 324-325 405- 407 Circuits with Capacity, Solution of En¬ ergy Equation for . 331-333 406- 409 Circuits with Capacity, Solution of Energy Equation for, Discussion of . 332-333 407- 409 Circuits Containing Resistance, Induct¬ ance, and Capacity, Energy Equa¬ tion, Discussion of . 333-335 419 Circuits, Simple, with One Resistance and One Inductance in Series, Electri¬ cal Properties of . 340-341 426 Circuits, Simple, with One Resistance and One Capacity in Series, Electri¬ cal Properties of . 346-348 428 Circuits, Simple, containing Resistance and Capacity in Series, Graphical Solution of Electro-motive Force . . 347 429 Circuits, Simple, containing Resistance and Capacity, Variable Resistance in . 348-349 430 Circuits, Simple, with Several Resist¬ ances and Capacities in Series, Elec¬ trical Properties of . 349 431 Circuits, Simple, containing Resistance, Inductance, and Capacit]' in Series, Electrical Properties of . . . 349-350 432 Circuits, Simple, with Several Resist¬ ances, Inductances, and Capacities in Series, Electrical Properties of . 350-351 433 Circuits containing Resistances, Induct¬ ances, and Capacities in Multiple Arc, Electrical Properties of . . 351-354 436 Circuits Containing Mutual Inductance, Properties of . 357-360 440-449 Circuits Containing Resistance and In¬ ductance, Impetance Tables for, 360-365 450-459 Circuits Containing Resistance, Induc¬ tance, and Capacity . 365-371 459-460 Circuits Capacity, Effect of Adjacent Bodies on . 370-371 459-460 Circuits Capacity, as Modified by Par¬ allel Wires . 370-371 463 Circuits, Series, Classification of . 372-374 464 Circuits, Constant Current with Genera¬ tors and Receivers at Fixed Distances, 373 466 Circuit, Main Current Density . 374-376 467 Circuits, Series, Economical Conditions . . 376-377 497 Circuits, Series, Conductor Tables for, 388-389 ART. PAGE. 516-519 Circuits, Series, Design for . . . 398—401 521 Circuits, Constant Current, Embracing Generators and Receivers at varying Distances . 401 534 Circuits, Parallel Distribution of, Poten¬ tial in . 412 637 Circuits, Constant Potential, Arc Lamps on . 482 668 Circuit Wiring, Secondary, Transformer, 505 680 Circuit, Long Distance, Typical. . . 517 382 Classification of the Effect of Alternat- ing Currents. 463 Classification of Series Circuits 372-374 132 Clear Work, Insurance Regulations for, 130 530 Closet System. 410-111 706 Coal Consumption per Watt Hour 541-542 302-307 Coefficients, Inductance, Measurements of. 254-256 307 Coefficients of Mutual Inductance, Meas- urement of. . . 256 401 Coefficients of Inductance . .. 327-329 182 Cologne Conduit. 13 Composite Wire. 16 Combination Wire Table . .. . . 24 37 Composite Poles. . 52-57 46 Come Alongs. 372 Commercial Fuse Wire, Table for . . 300 418 Composition and Resolution of Electro- motive Forces. 338-339 584 Compensator. 449-452 586 Compensator in Railway Work . . 452 016 Compensator on Three- Wire System . 490 047 Compensators, Calculations for 490-491 718-738 Commercial Considerations of Trans- mission Problems. 550-565 21 Construction, Line. . . 36 21 Construction, Aerial Circuits .. . . 36 68 Construction Details. 74 Construction, Ground Wire . .. . . 80 109 Condenser Arrester. . . 118 109 Continuous Current Arrester .. . . 119 124, 126, 127, 130, 131, 135, 149, 151, 154, Conduc¬ tors, Insurance Regulations for, 127, 128, 130, 131, 132 134, 137, 138, 139 130-136 Conduit, Interior, Insurance Regulations for . 131-134 163 Construction of Underground Circuits . 141 164 Conduits, Classification of . 141 165 Conduit, Valentine . 142 166 Conduit, Wyckoff . 143 166 Conduit, McDonald . 143 167 Conduit, Paper . 144 168 Conduit, Zinc Tubing . 145 168 Conduit, Iron Pipe in Asphalt Concrete, 145 168 Conduit, Wrought-Iron Pipe in Hy¬ draulic Cement . . 144 168-169 Conduits, Pipe . 144-147 169 Conduit, Cement-Lined Iron Pipe . . 146 170 Conduit, Cal'.ander-Weber . ... 147 572 INDEX. ART. 170 191 171 17U-174 173 174 175 17G 177 17S 179 ISO 181 182 182 188-193 189 189 192 193 194 194 196 211 220 239-231 231 269 274 329 329-379 329-379 343-349 349 350 357 360-363 360-363 365 379 376 389-460 382 382 464 467 480 483 497 Conduit, The Dorset .. Conduit, Love Railway. Conduit, The Chenowith Conduit, Terra-Cotta, The PAGE. . . 147 172-173 . . 147 148-152 Conduit, Terra-Cotta Separate Duct . 150 Conduit, The Crompton .... 152-154 Conduit, Brooks . 155 Conduit, The Johnstone .... 156-157 . 157 . 158 . 159 . 160 . 160 . 162 . 162 169-174 Conduit, Kennedy, The .... Conduit, The St. James, London. Conduits, The Parisian Systems. Conduits, Inflexible. Conduit, Callendar Solid . .. Conduit, Cologne. ConduP, Zurich. Conduits for Electric Railways Conduit, Buda-Pesth . 170-171 Conduit, Blackpool Railway . . 170-171 Conduit, Lenox Avenue Railway . 173-174 Conduits, Metallic, for Alternating Cur¬ rents . 174 Conduit Conductors . 175 Conductors for Conduits . 175 Conductors, Edison . 178-182 Connection of Underground and Aerial Systems . 195-197 Constant of Galvanometer . 206 Condensers . 214-217 Condensers, Arrangement of . . 215-217 Condenser, Measurement of Galvanom¬ eter Resistance by . 238-239 Condenser, Measurement Battery Re¬ sistance by . 240 Conductors . 268 Conductors, Continuous Current . 268-310 Continuous Current Conductors . 268-310 Conducting Circuit, Distribution of Po¬ tential in . 27C-231 Conductance . 281 Conductance, Graphical Method of De¬ termining . 281 Conductors, Heating of . 287 Conductors, Radiation and Convection from . 288-290 Convection . 288-290 Conductors, Heating of . 293 Concentric Cables, Heating of ... 310 Conduit Cables, Heating of .... 308 Conductors for Alternating Currents 311-371 Conductors, Alternating . 312 Conductors for Alternating Current, Skin Effect in . 312 Constant Current Circuits with Genera¬ tors and Receivers at Fixed Distances, 373 Conditions, Economical, in Series Cir¬ cuits . 376-377 Conductors, Equation for Cost of . 383-385 Conduits, Equation for Cost of . . . 384 Conductor Tables for Series Circuits 388-389 ART. PAGE. 521 Constant Current Circuits Embracing Generators and Receivers at Varying Distances . 401 531 Conical Conductors . 411-412 535-537 Conductors, Cylindrical, Parallel Feed¬ ing . 414-416 538-539 Conical Conductors, Parallel Feeding, 416-418 540-541 Conductors, Cylindrical, Anti-Parallel, 418-420 542-543 Conical Conductors, Anti-Parallel Feed¬ ing . 420-421 579 Conductors, Efficiency of ... 446-447 620 Conductors, Buried, Table of Heating Limits . 472-475 629 Conductors, Aerial and Paneled, Heat Limits for . 471-475 663 Conductors, Economy in, With Trans¬ former Service . 501 675 Connection, Polyphase System, Meth¬ ods of . 511-513 694 Continuous Current, Long Distance Transmission with . 524 695 Construction Line, Long Distance Transmission for . 525 697 Conducting Material for Tran'smission Systems, Relative Amounts . . 52C-527 698 Conductors, Cost . 528-554 700 Conduit, Cost . 533-534 706 Consumption Coal per Watt Hour, 541-542 711 Consumption of Gas by Gas Engines . 544 718-738 Considerations, Commercial, of Trans¬ mission Problems . 550-565 145 Cooking, Insurance Regulations for . . 134 11 Copper Wire . 8 11 Copper Resistance, Variations in . . . 9 11 Copper Wire, Impurities in . 9 12 Copper Wire, Table of the Properties of . 11 12 Copper Wire, Fall of Potential in . . 12 18 C opper Wire, Specifications for . . 26-27 13-18 Copper Wire, Resistance of .  of Copper, Table of . 390-391 503 Cost of Plant Minimum to obtain Maxi¬ mum Income, Design for . . . 393-394 698-738 Cost of Production and Distribution, 528-567 698 Cost, Conductors . 528-534 700 Cost, Conduit . 533-534 701 Cost of Telephone and Telegraph Lines . 535-537 702 Cost of Railway Lines .... 537-538 704 Cost, Power Stations . 540 705 Cost of Producing Energy . . . 540-542 705 Cost of Installing and Maintaining Steam Plants .... 540-541, 556-559 INDEX. 573 PAGE. Cost of Water-Power . 542-544 710-712 Cost of Gas Engines . 544 712 Cost of Producing Energy per Kilo- Watt Hour .... 546-550 713 Cost of Lighting by Wind- Power. 545-546 714 Cost, Actual, of Producing Electrical Energy .... 547-549 714 Cost of Producing Electricity in Eu- rope. 547-549 716 Cost of Producing Electricity in America. 550-552 727- -738 Cost of Line, Tabular Calculation for, 560-567 26 Cross-Arms. 57 Cross-Arms. 60 Cross-Arm Braces .... 61 Cross-Arm Bolts. 69 Cross-Arms, Placing of .... 69 Cross-Arms, Location of . . .. 101 Cross-Overs and Switches . .. . . 112 174 Crompton System, The .... 152-154 300 Crosses, Localization of .... 33 Crushing Strength, Timber . .. 96 Curves, Railway. 105-106 96 Curves, Location of. 105-106 96 Curve Construction, Right and Left . . 106 244 Current Unit. 283-288 Current Strength, Measurement of, 244-246 283 Current Strength by Ammeter . . 244 285 Current Strength, Measurement of, by Voltmeter ........ 286 Current Strength, Estimation of, by Differential Galvanometer .. . . 246 287 Current Strength, Estimation of, by Slide Wire Bridge. 309 Current Measurement of Alternating Circuits . 257 313 Currents, Diphase, Measurements on . 259 329-379 Current, Continuous, Conductors for, 2G8-310 351-356 Current Distribution in Branch Circuits 282-286 365 Current, Strength to Heat Wires . . . 293 365 Curves, Current Strength to Heat Wires 293 368 Currents in Paneled Wire . 295 383 Current Density in Alternating Current Circuits . 312 464 Current, Constant, Circuits with Gener¬ ators and Receivers at Fixed Dis¬ tances . 373 466 Current Density, Main Circuit 374-376 544-548 Curves and Tabular Data  476-478 635 Current, Mean Annual, Determination of . . . . 481 694 Current, Continuous, Transmission with. Long Distance akt. page. Ill Cut-outs, Automatic . 120 127, 129, 139 Cut-outs, Insurance Regulation for, 128, 129, 136 535-537 Cylindrical Conductors, Parallel Feed¬ ing . 414-416 540-541 Cylindrical Conductors, Anti- Parallel Feeding. 418-420 218 D’Arsonval Galvanometer . .. 204-205 44 Dead-Ending. 251 Deflection, Measurement of, Resistance by. 226-228 266 Deflection, Equal Resistance Galvano- meter by. 237-238 272 Deflection, Resistance Battery by . . 240 385 Definition of H. 387 Definition of B. 287 Definition of .. 466 Density Current, Main Circuit 374-376 488^494 Depreciation Rates . 386-387 687 Deptford Plant . 521 469-471 Design for Heating Limit . . . 377-379 472 Design for Mechanical Strength . 379-380 473—174 Design for Minimum First Cost of Line . 380-381 475 Design for Minimum First Cost of Sta¬ tion . 381 477-498 Design for Minimum First Cost of Plant and Minimum Cost of Maintenance and Operation . 381-389 498 Design to Secure Total Minimum First Cost of Installation . 389-392 500 Design for Accomplishment of Best Ser¬ vice . 391-392 503 Design for Minimum Cost of Plant to Obtain Maximum Income . . 393-394 516-519 Design for Series Circuits . . . 398-401 557-560 Designs, Special, for Three- Wire Sys- tern. 430-432 68 Details, Construction. 495 Determination of Factor K and K' . . 387 635 Determination of Mean Annual Current, 481 633 Diagram, Station Loads .... 477-479 638 Diagrams, Electric Railway Load, 483-484 337 Dielectrics, Resistance of . .. . . 273 460 Dielectrics, Character of .... 254 Differential Galvanometer, Measure- ment of Resistance by .... . . 230 286 Differerential Galvanometer, Measure- ment Current Strength .... 37 Dimensions for Anchor Poles. . 53-57 312 Diphase Circuits, Measurements on . . 257 1 Distribution in General ...... 1 1 Distribution Methods . 1 2 Distribution in Series . 2 3 Distribution in Parallel . 2 5 Distribution, Indirect . 3 109 Discriminating Arrester . 118 343-349 Distribution of Potential in Conducting Circuit . 276-281 351-356 Distribution of Potential and Current in Branch Circuits . 282-286 574 INDEX. ART. 397 406- 409 407- 108 461-520 461 522-642 526-547 534 574 620-621 653 660 664-6C7 670 678-694 698-738 292 415 170 46 46 229 75 467 663 106 196 196 196 30 193 336 34F 384 399-400 402-405 427 459-460 379 670 18 84-87 150 PAGE. Discussion of Energy Equation . . . 324 Discussion of Solution of Energy Equa¬ tions for Circuits with Capacity . 332-333 Discussion of Energy Equation of Cir¬ cuits Containing Resistance, Induc¬ tance, and Capacity . 333-335 Distribution, SerLs . 372-401 Distribution, Series, Origin of ... . 372 Distribution, Parallel . 402—487 Distribution, Methods of . . . 406-423 Distribution of Potential in Parallel Circuits . 412 Distributing Mains . 443 Distributing Mains, Calculation of 467^168 Distribution, High and Low Potential from same Station . 494-495 Distribution Accumulator . 499 Distribution, Methods of, by Trans¬ formers . 502-504 Distribution of Insulated Transformers, Efficiency of . 506-507 Distance, Long, Transmission Plants, 516, 525 Distribution and Production, Cost of, 528-567 Divided Charge for Measuring Capacity, 249-250 Division of Vectors . 337 Dorset Conduit, The . 147 Dynamometers, Wire . 65 Dynamometers . 65 Dynamometers, Siemens . 214 Earth, The, as a Railway Return Circuit 82 Economical Conditions in Series Cir¬ cuits . 376-377 Economy in Conductors with Trans¬ former Service . 501 Edison Lightning Arrester . 116 Edison System . 178 Edison Mains . 178—182 Edison Circuits . 178-182 Effect of Temperature . 33-34 Effect on Alternating Current Circuits of Metallic Conductors and Cable Sheaths . 174 Effect of Temperature on Resistance . 272 Effect of Leakage . 280 Effect of Inductance . . 315 Effect of Mutual Inductance . . 326-327 Effect of Capacity . 329-351 Effect of Capacity . 346 Effect of Adjacent Bodies on Capacity of Circuits . 370-371 Efficiency of Conductors . . . 446—447 Efficiency of Distribution of Insulated Transformers . 506-507 Electrical Properties of Wire, Specifica¬ tions for . 30-31 Electric Railway Circuits . 77 Electrolytic Action . 89-90 Electric Gas Lighting, Insurance Regu¬ lations for . 138 ART. PAGE. 121-132 Electric Railways, Insurance Regula¬ tions for . 126-133 188-193 Electric Railway Conduits . . . 169-174 212-241 Electrical Instruments .... 198-223 228 Electrostatic Voltmeter . 213 241-328 Electrical Measurement, Methods of . 223-267 242 Electrical Inductance . 223 243 Electrical Quantity . 223-224 277-281 Electro-Mo. ive Force, Measurement of . 242-243 281 Electro-Motive Force, Measurement of by Wheatstone Method .... 243 288-292 Electrostatic Capacity, Measurement of . 246-250 290 Electrostatic Capacity by Thomson’s Method . 248 291 Electrostatic Capacity by Gott’s Method . 249 292 Electrostatic Capacity by Divided Charge, Measurement of . . . 249-250 317 Electrical Railway Testing . 259 371 Electric Heating . 297-298 371 Electric Heating, Cost of . . . 297-298 389 Electro-Motive Force due to Varying Field . 318 418 Electro-Motive Forces, Composition and Resolution of . 3C8-339 419 Electrical Properties of Simple Circuits with One Resistance and One Induct¬ ance in Series . 340-341 425 Electrical Properties, Simple Circuits with Several Resistances and Induct¬ ances in Series . 344-346 426 Electrical Properties of Simple Circuits with One Resistance and One Capacity . in Series, . 346-348 428 Electro-Motive Force in Simple Circuits Containing Resistance and Capacity in Series, Graphical Solution of . . . 347 430 Electrical Properties of Simple Circuits with Several Resistances and Capaci¬ ties in Series . 349 431 Electrical Properties of Simple Circuits Containing Resistance, Inductance, and Capacity in Series . . . 349-350 432 Electrical Properties of Simple Circuits with Several Resistances, Inductances, and Capacities in Series . . . 350-351 433 Electrical Properties of Circuits with Resistances, Inductances, and Capaci¬ ties in Multiple Arc .... 351-354 638 Electric Railway Load Diagrams . 483-484 638-642 Electric Railway Wiring .... 483-487 714 Electrical Energy, Actual Cost of Pro¬ ducing . 547-549 714 Electricity in Europe, Cost of Produc¬ ing . 547-549 714 Electricity in America, Cost of Produc¬ ing . 551-552 INDEX. 575 PAGE. Energy Equation . 318 Energy, Expenditure of, in Alternating Circuits .. Energy Equation, Discussion of . . .324 405- 407 Energy Equation for Circuits with Ca¬ pacity, Solution of . 331-333 406- 409 Energy Equation for Circuits with Ca¬ pacity, Discussion of ... . 332-333 407- 408 Energy Equation of Circuits containing Resistance, Inductance, and Capacity, Discussion of . 333-335 407-408 Energy Equation of Circuits cotanining Resistance, Inductance, and Ca¬ pacity . 333-335 705 Energy, Cost of producing . . . 540-542 712 Energy, Cost of producing per Kilo- Watt Hour . 546-550 710-712 Engines, Gas, Cost of . 554 711 Engines, Gas, Consumption of gas in . 544 91 Equations for the Catenary . 32 275 Equal Deflection, Measurement of Bat¬ tery Resistance . 241 390 Equation of Energy . 318 397 Equation, Energy, Discussion of . . . 324 400 Equation of Energy, General, for Mutual Inductive Circuits . 326 480 Equation for Cost of Conductors . 383-385 483 Equation for Cost of Conduits .... 384 434-435 Equivalent Resistance and Inductance, Method of . 353-357 560 European Multiple Wire Systems . . 432 714 Europe, Cost of Producing Electricity in . 547-549 522-525 Evolution of the Parallel System . 402—106 85 Examples of Electrolytic Action . . 89-97 77 Experiments upon the Resistance of Return Circuits . 84 107 Expansion Arrester, Air . 116 158 Exterior Wires, Insurance Regulations, 137 619 Example of Street Loading . . . 466-467 391 Expenditure of Energy in Alternating Circuits . 319 703 Expense Operating Street Railway 538-539 495 Factor K and K Determination of . 387 12 Fall of Potential in Copper Wire ... 12 347 Fall of Potential, Representation of, 278-279 590-594 Fall of Pressure and Necessary Section in Feeders . 453-455 690 Falls, Niagara, Plant. 521 84 Farnham’s, I. H., Experiments on Elec- trolytic Action. . 87-88 197 Farranti, Circuits, The .... 182-183 197 Farranti Mains. 182-183 293-301 Faults, Localization of ... • 250-254 293-301 Faults in Line. 250-254 297 Faults, Line, Loop Test for .. . . 252 297 Faults, Line, Murray’s Method for . . 252 298 Faults, Line, Varley Method for. . . 253 93 Feed Wire Insulators and Pole Tops, 97-99 533 Feeding, Anti-Parallel .... . . 412 ART. 390 391 397 art. page. 535-537 Feeding, Parallel, Conical Conductors 416-418 538-539 Feeding, Parallel, Conical Conductors 416-418 540-541 Feeding, Anti- Parallel, Cylindrical Con¬ ductors . 418-420 542-543 Feeding, Anti- Parallel, Conical Con¬ ductors . 420-421 563-567 Feeder and Main System . . . 435-439 573 Feeders, Location of Center of Distri¬ bution . 443 576-578 Feeders, Calculation of . ... 444-446 578 Feeds, Best Number of . 446 590-594 Feeders, Necessary in Section and Fall of Pressure . 453-455 623 Feeds, Calculation of . 469 668 Feeder and Main System with Trans¬ former . 504 207 Felten-Guilleaume Cable, Telephone 191-192 384 Field, Magnetic, Due to Current . . . 315 221 Figure of Merit of Galvanometer . . 206 17 Fire, Inspection of . 24-25 115-162 Fire Underwriters, Regulations . 125-140 473-474 First Cost of Line, Design for Minimum 380-381 58 Fittings, Iron and Steel . 74 559 Five- Wire Systems . 432 130 Fixture Work, Insurance Regulations for . 131 16 Flexible Wire, Insulated .... 18-21 16 Flexible Cable . 18-10 16 Flexible Cable, Tables of . . . 23, 19-21 43 Fluid Insulators . 62 683 Folspm Plant . 519 389 Force, Electro-Motive, Due to Varying Field . 318 206 Fowler-Waring Telephone Cable . 190-191 685 Frankfort- Lauffen Plant . 519 684 Fresno Plant . 520 139 Fuses, Insurance Regulations for . . 136 372-375 Fuses . 299-306 373 Fuse Wire, Length and Carrying Ca¬ pacity . 303 374 Fuse Wires, Lead and Tin . 305 14 Galvanizing . 13, 16, 31 14 Galvanized Wire . 13-16 59 Galvanizing of Iron Fittings .... 74 217-226 Galvanometer . 203-204 217 Galvanometer, Thomson . 203 218 Galvanometer, D’Arsonval . . . 204-205 219 Galvanometer, Ballistic .... 205-206 220 Galvanometer, Constant . 206 221 Galvanometer, Figure of Merit of . . 206 225 Galvanometer Shunts . 208-209 266 Galvanometer Resistance, by Equal De¬ flection . 237 267 Galvanometer Resistance . . . 237-238 267-268 Galvanometer Resistance by Wheat¬ stone Bridge . 238 57G index ; ART. PAGE. 269 Galvanometer Resistance by Condenser 238-239 271 Galvanometer Resistance, Measurement by Deflection . 240 187 Gas . 168-169 710-712 Gas Engines, Cost of . 554 711 Gas Consumed by Gas Engines . . . 544 9 Gauges, Wire . 6-25 9 Gauges, Wire, Relation between ... 7 17 Gauge, Micrometer . 25 116 Generator or Motor, Insurance Regula¬ tions for . 126 400 General Equation of Energy for Mutu¬ ally Inductive Circuits . 326 464 Generators and Receivers at Fixed Dis¬ tances, Constant Current Circuits . . 373 521 Generators and Receivers at Varying Distances, Constant Current Circuits, embracing . 401 613-630 General Design for Conducting System in Multiple Arc . 463-472 370 German Silver Wire for Rheostats . . 299 205 Glover Cables, Telephone . . . 189-190 329 Good Conductor . 268 291 Gott’s Method for Electrostatic Ca¬ pacity . 249 347 Graphical Representation of Fall of Po¬ tential in Conducting Circuit . 278-279 350 Graphical Method for Determining Con¬ ductance . 281 410 Graphical Methods . 335 428 Graphical Solution of Electro-Motive Force in Simple Circuits Containing Resistance and Capacity in Series . . 347 74 Ground Wire Construction . 80 236-238 Ground Indicators . 219-221 236-238 Ground Indicators for Alternating Cur¬ rent . 220-221 263-266 Ground Resistance, Measurement of 236-237 340 Gutta-Percha, Resistance of .... 274 36 Guying . 45-46 56 Guy Stubs, Anchor . 73 64 Guy Rods . 75 67 Guy Rope . 75 8 Hard Drawing . 4 392-393 Harmonic Motion . 320-322 385 H, Definition of . 316 129 Heating, Insurance Regulations for . . 130 211 Heads for Cables . 197 357 Heating of Conductors . 287 358 Heating of Bare Wires Freely Sus¬ pended . 288 365 Heating Power of Current . 293 365 Heating of Conductors . 293 369 Heating of Insulated Wire . 295 370 Heaters . 296 375-379 Heating of Insulated Cables . . 306-310 378 Heating of Aerial Cables . 309 379 Heating of Concentric Cables .... 310 ART. PAGE. 469-471 Heating Limit, Design .... 377-379 620 Heating Limits, Table of, Buried Con¬ ductors . 472, 474-475 629 Heat Limits for Aerial or Paneled Con¬ ductors . 471-472, 475 25 Height of Poles . 38 686 Heilbronn-Lauffen Plant . 519 685 Helena Plant . 520 608 Hermann Beaded Cable, The, Tele¬ phone . 192-193 131 High Potential Wires, Insurance Regu¬ lations for . 132 104 High Resistance Arresters . 114 258-262 High Resistance, Measurement of, 232-235 653 High and Low Potential Distribution from Same Station . 494-495 404 Hours of Lighting, Table of .... 395 504 Hours, Service, Table of ..... 395 615 Hours, Lamp, Number . 464 51 Humming of Wires . 69-70 5 Indirect Distribution . 3 236-238 Indicators, Ground . 220-221 236-238 Indicators, Ground for Alternating Cur¬ rent . 220-221 242 Inductance, Electrical . 223 302-307 Inductance, Measurement of . . 254-256 326 Inductance of Aerial Lines . 265 382 Inductance . 312 384 Inductance . 315 324 Inductance, Variable . 344 384 Inductance, Effect of . 315 397-398 Inductance and Resistance, Circuits Containing . 324-325 399-400 Inductance, Mutual, Effect of . . 326-327 401 Inductance, Coefficients of . . . 327-329 434-435 Inductance and Resistance Equivalent, Method of . 353-357 450-459 Inductance, Resistance, and Capacity, Circuits Containing . 365-371 180 Inflexible Conduits . 160 224 Inferred Zero . 207 421 Impedance . 342 440 Impedance Tables . 360 440-449 Impedance Tables for Circuits Contain- taining Resistance and Inductance, 360-365 11 Impurities in Copper Wire . 9 686 Indian Orchard Plant . 520 1 Introduction . 1 185 Introduction of Circuits, The . . 167-168 14 Insulated Wire . 17 16 Insulated Wire, Table of Weights of 19-21 14 Insulator, Bamboo as an . 17 17 Inspection . 24-25 40 Insulators . 58-60 41-42 Insulators, The Value of .... 60-61 41-42 Insulators and Insulating, Power of 60-61 43 Insulators, Fluid . 62 43 Insulators, Oil . 62 63 Insulators . 75 93 Insulators for Feed Wire .... 97-99 INDEX. Insulators, Trolley . 98-104 97 Insulators, Strain . 107 99 Insulators, Railway Section .... 109 115-162 Insurance Regulations for Circuits,  118 Insurance Regulations for Switchboards, 125 145 Insurance Regulations for Resistance Boxes . 137 148 Insurance Regulations for Lightning Ar¬ resters . 137 119 Insurance Regulations for testing . . 126 130 Insurance Regulations for Arc Circuit Conductors . 132 126 Insurance Regulations for Interior Con¬ duits . 134 127 Insurance Regulations for Arc Lamps . 128 128 Insurance Regulations for Low Pressure Circuits . 130 128 Insurance Regulations for Outside Aerial Conductors . 127 129 Insurance Regulations for Underground Conductors . 128 130 Inside Wiring, Insurance Regulations for, 127 131 Insurance Regulations for Sizes of Con¬ ductors . 128-139 135 Insurance Regulations for Interior Con¬ duit . 131-134 136 Insurance Regulations for Cut-Outs, 128-129 137 Insurance Regulations for Fuses . . . 136 138 Insurance Regulations for Switches . . 129 139 Insurance Regulations for motors . . 126 140 Insurance Regulations for Alternating Current Sys'.ems . 127-132-137 140 Insurance Regulations for Arcs on Con¬ stant Potential Circuits . 132 141 Insurance Regulations for Fixture Work, 131 142 Insurance Regulations for Electric Gas Lighting . . 138 143 Insurance Regulations for Pendants . . 132 143 Insurance Regulations for Sockets . . 131 144 Insurance Regulations for Cord Pendants, 132 145 Insurance Regulations for Heating . . 130 145 Insurance Regulations for Cooking . . 130 131 Insurance Regulations for Electric Rail¬ ways .... 133 121 Insurance Regulations for Power Sta¬ tions . 126 124 Insurance Regulations for Trolley Wires, 127 131 Insurance Regulations for Car-wiring . 133 115 Insurance Regulations for Lighting and Power Wires . 125 122 Insurance Regulations for Batteries . . 123 126-154 Insurance Regulations for Capacity of Wire . 128-139 124 Insurance Regulations for Joints of Wires . 1-7 ART. PAGE. 124 Insurance Regulations for Exterior Wires. 124 Insurance Regulations for Wires Enter- ing Buildings . . .. . . . .127 131 Insurance Regulations for High Poten- tial Wires. 124 Insurance Regulations for Outside Wires. 125 Insurance Regulations for Inside Wires, 133 200 Insulation, Paper .... 212-241 Instruments, Electrical .. . . 198-223 226 Instruments, Weston, The. . . 209-211 258-261 Insulation Resistances, Measurement of. 261 Insulation Resistance .. . . 234-235 342 Insulators, Resistance of . ... 275 369 Insulated Wires, Heating of .... 295 369 Insulated Wire Freely Suspended, Heat- ing of. 375-379* Insulated Cables, Heating of . . 306-310 498 Installation, Design to Secure Total Minimum First Cost of . . . 389-392 625-629 Inside Wiring, Calculation of . . 470-471 670 Insulated Transformers, Efficiency of Drstribution of . 506-507 705 Installing and Maintaining Steam Plants, Cost of . 540-541, 556-559 8 Iron and Steel Wire, Properties of . 5 8-18 Iron and Steel Wire, Strength of . . 5-31 18 Iron Wire Specifications, British Post- Office . 28 18 Iron Wire Specifications . 30 18 Iron Wire, Mechanical Properties of . 31 20 Iron and Copper Wire, Line Tensions in . . 34-35 37 Iron Anchor Poles . 47 37 Iron Top PMes . 48-75 58 Iron and Steel Fittings . 74 59 Iron Fittings, Galvanizing of .... 74 91 Iron Poles . 93-96 168 Iron Pipe Conduit in Asphalt Concrete, 145 370 Iron Wire Rheostats, Safe Current for . 297 85 Jackson, D. C., Experiments on Electro¬ lytic Action . 88 47-49 Joints in Wire . 66-68 49 Joints, Strength of . 67-68 124 Joints of Wires, Insurance Regulations for . 127 176 Johnstone Conduit, The .... 156-157 209-210 Joints and Splices for Cables . . 193-195 184 Junction Boxes for Street Railway Feeds . 166 357 Joule’s Law . 287 177 Kennedy Conduit . 157 234 Keys . 218 228 Kelvin Voltmeter . 213 249 Kirschhoff’s Laws . 225-226 37 Lattice Top Poles . 48-57 91 Lattice Pole, Railway . 94 249 Laws, Kirschhoff’s . 225 578 INDEX. ART. PAGE. ART. PAGE. 248 701 Lines, Telephone and Telegraph, Cost of, 342 Leakage, Line. 274-276 535-537 348 Leakage, Effect of. 654 Leonard System of Motor Regulation . 4.5 374 Lead and Ti l Fuse Wire .... 638 Load, Electric Railway, Diagrams, 483-484 192 Lenox Avenue Railway Conduit. 173-174 637 Lamps, Arc, on Constant Potential 66 Lightning Rods. Circuits. . . 482 102-113 Lightning Arresters. 113-123 633 Loads, Station, Diagrams . .. 477-479 112 Lightning Arresters for Cables . . 122 633 Load Curves, St. James Station. 476-478 113 Lightning Arresters for Switchboards . 123 633 Load, Station, Curves .... 476-478 116 Light, Heat, or Power Circuits, Insur- 633-636 Loads, Station. 476-482 ance Regulations for .... . . 125 629 Limits, Heat, for Aerial and Paneled 122 Lightning Arresters, Insurance Regula- Conductors . 471-472, 475 lations for. . . 126 620 Limits, Table of Heating, Buried Con- 115 Lighting and Power Wires, Insurance ductors. 472-475 Regulations for. 504 Loads, Calculation of. . . 394 20 Line Tension for Iron and Copper Wire, 619 Loading, Street, Example of .. 466-467 34-35 617-620 Loads, Street. 464-467 21 Line Construction. 465 Location of Station. . . 374 22 Lines, Aerial. » • 30 573 Location of Feeders and Center of Dis- 29 Lines, Stresses in. . 40-41 tribution. 58 Line Fittings. 568-572 Location, Central Station . .. 439-442 96 Line Work, Railway. . . 101 527 Loop System. 408-410 99 Line Sections, Railway .... . . 10.) 528 Loop, Spiral. . . 410 101 Line Crossings, Railway .... . . Ill 678, 694 Long Distance Transmission Plants , 516, 525 263-264 Line Resistance, Measurement of, 236-237 980 Long Distance Circuit, Typical. . . 517 293-301 Line Faults, Localisation of .. 250-254 694 Long Distance Transmission with Con- 296 Line Faults by Overlap Method. . . 251 tinuous Current. 300 Line Crosses, Localization of .. . . 253 695 Long Distance Transmission Line, Con- 342 Line Leakage. 274-276 struction for. 96 Location of Curves. 105-106 17 Machines, Testing. . 24-25 96 Location of Railway Curve Guy Poles . 106 676 Machines, Polyphase. 513-515 293-301 Localization of Faults. 250-254 105 Magnetic Blow-out Arrester .. . . 115 300 Localization of Crosses .... 73-74 Methods of Rail Bonding . .. . 80-82 45 Loops. 235 Magneto. 297 Loop Test for Line Faults . .. . . 252 384 Magnetic Field Conduit and Current . 315 261 Loss of Charge, Resistance, Measure- 384 Magnetic Field Due to Current. . . 315 ment by. . . 234 196 Mains, Edison. 178-182 191 Love Railway Conduit .... 172-173 197 Mains, Farranti. 182-183 687 Lowell Plant. 466 Main Circuit, Current Density .. 374-376 130 Low Pressure Circuits, Insurance Regu- 563-567 Main and Feeder System . .. 435-439 lations for. 574 Mains, Distributing. 282 Lumsden’s Method, Measurement of 620-621 Mains, Distributing, Calculation of, 467-468 E.M.F. . . 244 668 Main and Feeder System, with Trans- 282 Lumsden’s Method, Measurement of formers. Potential. . . 244 7 Manufacture, Wire . . . ... • • 4 514 Lamp Cut-outs. 182 Manholes. 163-165 614 Lamps, Ratio of Number Installed to 335 Matthieson’s Standard .... . . 271 Number Actually Lighted .. . . 464 166 McDonald, The, Conduit . .. . . 143 615 Lamp Hours, Number . - .. . . 464 48 Mclntire Splices. . 66-67 666 Lamps, Arc, Transformers for .. . . 503 49 Mclntire Joints, Strength of .. . . 68 404 Lighting, Table of Hours of .. . . 395 635 Mean Annual Current, Determination of, 481 469-471 Limit, Heating, Design .... 377-379 661 Means of Accumulators, Regulation by, 473-474 Line, Design for Minimum First Cost of, 499-500 380-381 251-277 Measurement of Resistance .. 226-242 695 Line Construction for Long Distance 251 Measurement of Resistance by Deflec- Transmission. . . 525 tion. 226-228 727-738 Line, Cost of, Tabular Calculations for, 254 Measurement of Resistance by Wheat- 560-567 stone Bridge. 228-229 713 Lighting by Wind Power, Cost of, 545-546 254 Measurement of Resistance by Differ- 702 Lines, Railway, Cost of .... 537-538 ential Galvanometer . . .. INDEX. 579 ART’ PAGE. 235 Measurement of Resistance by Volt¬ meter . 230 257 Measurement of Small Resistance, 231-232 256 Measurement of Resistance by Voltme¬ ter and Ammeter . 230-231 258-262 Measurement of High Resistance . 232-235 258-259 Measurement of Resistance by Volt¬ meter . 232-234 261 Measurement, Resistance by, Loss of Charge . 234 263-264 Measurement of Line Resistance . 236-237 264 Measurement, Ground Resistance . . 237 267 Measurement of Battery Resistance by Voltmeter . 239 270 Measurement of Battery Resistance . . 239 274 Measurement of Battery Resistance by Condenser . 240 275 Measurement of Battery Resistance by Equal Deflection . 241 277-281 Measurement of Potential . . . 242-244 277-281 Measurement of Electro-Motive Force, 242-243 278 Measurement of Potential by Weston Voltmeter . 242 280 Measurement, Electro-Motive Force . 243 282 Measurement of Potential by Lums- den’s Method . 244 283-288 Measurement, Current Strength . 244-246 283 Measurement, Current Strength of Am¬ meter . 245 286 Measurement, Current Strength, Differ¬ ential Galvanometer Method . . . 246 288-292 Measurement, Electrostatic Capacity, 246-250 304 Measurement of Self-Inductance . . . 255 304 Measurement of Inductance by means of Alternating Currents . 255 306-307 Measurement, Mutual Inductance, 255-256 307 Measurement of Mutual inductance, Coefficients of . 256 308-316 Measurements on Alternating Current Circuits . 257-259 308 Measurement of Alternating Current Potential . 257 309 Measurement of Current in Alternating Circuits . 257 310 Measurement of Power in Alternating Circuits, The . 257-258 310 Measurement of Power in Alternating Current Circuit, Two Voltmeters . .258 311 Measurement of Power in Alternating Current Circuits by three Ammeters . 258 312-316 Measurements on Polyphase Current Circuits . 257 312 Measurements on Diphase Circuits . . 257 321-325 Measurement of Aerial Line Capacity ,263-265 326 Measurement of Inductance, Aerial Lines . 265 328 Measurement, Mutual Inductance on Transmission Lines . . ..... 26 ( ART. 18 18 106 472 630 1 24 108 193 241-328 410 434-435 526-547 580-581 630 664-667 4 675 17 473-474 475 477-498 503 643-697 4 688 120 392-393 561 044-653 652 654 548-561 554-560 560 562 310-030 297 300-307 328 399-400 400 414 433 PAGE. Mechanical Properties of Wire ... 29 Mechanical Properties, Iron Wire . . 31 Mechanical Magnet Arrester . . . 116 Mechanical Strength, Design for 379-380 Mechanical Methods . 471-475 Methods of Distribution . 1 Methods of Preserving Poles .... 37 Metal Arresters, Non-arcing .... 117 Metallic Conduit and Cable Sheaths for Alterating Currents . 174 Methods of Electrical Measurement, 223-267 Methods, Graphical . 335 Methods of Equivalent Resistance and Inductance . 353-357 Methods of Distribution .... 400-423 Methods of Regulation .... 447-^453 Methods, Mechanical . 471-475 Methods of Distribution by Trans¬ formers . 502-504 Methods of Connection, Polyphase System . 511-513 Micrometer Gauge . 25 Minimum First Cost of Line, Design for . 380-381 Minimum First Cost of Station, Design for . 381 Minimum First Cost of Plant and Mini¬ mum Cost of Maintenance and Opera¬ tion, Design for . 381-389 Minimum Cost of Plant to obtain Maxi¬ mum Income, Design for . . . 393-394 Miscellaneous Methods .... 488-527 Mixed Systems . 2 Montmorency Falls Plant . 521 Motors, Insurance Regulations for . . 126 Motion, Harmonic . 320-322 Motor Transformers . 434 Motor Transformers . 488-495 Motor Transformers, Running and Feed¬ ing in Series . 493-494 Motor Regulation, Leonard System of . 495 Multiple Wire Systems .... 423^434 Multiple Series Systems, Modifications of Three-Wire System .... 428-432 Multiple Wire Systems, European . . 432 Multiple Wire Systems, Relative Areas covered by . 435 Multiple Arc, General Design for Con¬ ducting System in . 463-472 Murray’s Method for Line Faults . . 252 Mutual Inductance, Measurement of, 255-256 Mutual Inductance on Transmission Lines . 267 Mutual Inductance, Effect of . . 326-327 Mutually Inductive Circuits, General Equation of Energy for . 326 Multiplication of Vectors . 337 Multiple Arc, Circuits containing Re¬ sistances, Inductances, and Capacities in . 351-354 INDEX. 580 ART. 43G 455 689 690 108 109 614 615 691 43 215 254 248 332 703 461 124 124 296 12 12 366 368 629 167 200 201 3 179 459-460 522-642 522-525 535-537 538-539 544-548 204 351-356 130 62 91 168-169 26 69 477-498 PAGE. Mutual Inductance, Properties of Cir¬ cuits containing . 357-360 Multipliers to Transform E. S. C. G. S. Units into E.M.F., Table of . . . 368 Nevada Co. Plant . 521 Niagara Falls Plant . 521 Non-arcing Metal Arresters . . . .117 Non-arcing Wurtz Continuous Current Arrester . 119 ■Number of Lamps Installed to Lamps Actually Lighted, Ratio of ... . 464 Number Lamp Hours . 464 Ogden Plant . 522 Oil Insulators . 62 Ohm-meter . 202-203 Ohm-meter, Measurement of Resistance, 230 Ohm’s Law . 225 Ohm's Law . 269 Operating Expense Street Railway, 538-539 Origin of Series Distribution .... 372 Outside Aerial Conductors, Insurance Regulations for . 127 Outside Wires, Insurance Regulations for, 127 Overlap Method for Line Faults . . . 251 Paneled Wire . 12 Paneled Wire, Carrying Capacity of . . 12 Paneled Wire, Safe Current for . . . 294 Paneled Wires, Current in . 295 Paneled and Aerial Conductors, Heat Limits for . 471-475 Paper Conduit . 144 Paper Insulation . 185 Paper Cables . 186 Parallel, Distribution in . 2 Parisian Conduits . . 159 Parallel Wires, Capacity of Circuits Modified by . 370-371 Parallel Distribution . 402-487 Parallel System, Evolution of . . 402-406 Parallel Feeding, Cylindrical Conduc¬ tors . 414-416 Parallel Feeding, Conical Conductors, 416-418 Parallel System, Curves and Tabular Data for Various Forms of Conductors, 421-423 Patterson Cable, Telephone . . 188-189 Potential Distribution in Branch Cir¬ cuits . 282-286 Pendants and Sockets, Insurance Regu¬ lations for . 132 Pins . 39 Pins . 74-75 Pipe Poles . 94-96 Pipe Conduits . 144-147 Placing of Cross-Arms . 38-39 Placing of Cross-Arms . 76 Plant, Design for Minium First Cost of and Minium Cost of Maintenance and Operation . 381-389 ART. PAGE. 678-694 Plants, Transmission, Long Distance, 516-525 681 Plant, Big Cotton Wood . 519 682 Plant, Blue Lakes . 519 683 Plant, Folsom . 519 684 Plant, Fresno . 520 685 Plant, Helena . 520 686 Plant, Indian Orchard . 520 687 Plant, Lowell . 521 688 Plant, Montmorency Falls . 521 689 Plant, Nevada Co . 521 690 Plant, Niagara . 521 691 Plant, Ogden . 522 692 Plant, Portland . 523 693 Plant, St. Anthony’s Falls . 523 186 Pneumatic Rodding . 167 23 Poles . 36-37 23 Poles, Wooden . 36-37 24 Poles, Methods of  41-45 36 Poles, Methods of Guying .... 45-46 37 Poles, Anchor . 47-57 37 Poles with Iron Tops . 4S-57 38 Pole Setting . 58 53-71 Pole Line Specifications . 72-76 55 Poles . 73 86-92 Poles, Railway . 90-97 91 Poles, Iron . 93-95 91 Pole, Center, Construction . 96 93 Pole Tops, Feed Wire Insulators . 97-99 93 Pole Tops . 97-99 312-316 Polyphase Current Circuits, Measure¬ ments on . 257 673-677 Polyphase Transmission .... 508-516 675 Polyphase System, Methods of Connec¬ tion . 511-513 676 Polyphase Machines . 513-515 638 Pomona Plant, The . 521 213 Portable Testing Sets . 200 592 Portland Plant . 523 277-281 Potential, Measurement of . . . 242-244 308 Potential in Alternating Current Cir¬ cuits, Measurements of . 257 343-349 Potential in Conducting Circuit . 276-281 351-356 Potential and Current, Distribution of in Branch Circuits . 282-286 534 Potential in Parallel Circuits, Distribu¬ tion of . 412 653 Potential, High and Low, Distribution from Same Station . 494-495 53 Power Circuits . 72-76 121 Power Stations, Insurance, Regulations for . 126 200 Power Circuits . 185-186 247 Power, Unit of . 224 310 Power in Alternating Current Circuits, Measurement ol . 257-258 310 Power, Measurement in Alternating Current Circuits by Two Voltmeters . 258 INDEX. 581 ART. 311 704 707 713 590-594 124 6 8 13 12 16 18 419 425 PAGE. Power, Measurement in Alternating Current Circuits by Three Ammeters, 258 Power Stations, Cost ... ... 540 Power, Water, Cost of .... 542-544 Power, Wind, Cost of Lighting by, 545-546 Pressure, Fall of, and Necessary Sec¬ tion in Feeders . 453-455 Primary Conductors, Insurance Regu¬ lations for . 127 . 4 . 5 12-16 . 11 426 430 431 432 433 436 698-738 705 712 718-738 411 360-363 360-368 72 73-85 73-74 74 74 75-77 75 77 78 79 Properties of Wire. Properties of Iron and Steel Wire Properties of Silicon Bronze Wire Properties of Copper Wire . .. Properties of Flexible Cables . . 23, 19-21 Properties of Iron Wire, Mechanical . 31 Properties, Electrical, of Simple Cir¬ cuits with One Resistance and One Inductance in Series .... 340-341 Properties, Electrical, Simple Circuits with Several Resistances and Induc¬ tances in Series . 344-346 Properties, Electrical, of Simple Cir¬ cuits with One Resistance and One Capacity in Series . 346-348 Properties, Electrical, of Simple Cir¬ cuits with Several Resistances and Capacities, in Series . 349 Properties, Electrical, of Simple Cir¬ cuits Containing Resistance, Induc¬ tance, and Capacity in Series . 349-350 Properties, Electrical, of Simple Cir¬ cuits with Several Resistances, In¬ ductances, and Capacities in Series, . A) < 1 Properties, Electrical, of Circuits with Resistances, Inductances, and Capa¬ cities in Multiple Arc . . . 351-354 Properties of Circuits Containing Mu¬ tual Inductance . 357-360 Production and Distributing, Cost of, 528-567 Producing Energy, Cost of . . 540-542 Producing Energy, Cost of, per Kilo- Watt Houi* . 546-550 Problems, Transmission, Commercial, Considerations of . 550-565 Quantities, Vector . 335 Radiation and Convection from Con¬ ductors . 288-290 Radiation . 288-290 Railway Circuits . 77 Railway Return Circuit . .. Rail Bonding, Methods of .. Rail Bonding. Railway Return Wire .. Rails as Railway Return Circin. Railway Return Circuit, the Eat  77-90 80-82 80-82 . 80  702 703 89 488-494 614 420 416 464 223 689 505-515 580-581 654 661 9 373 562 697 11 13-18 76-77 118 246 251-277 251 254 254 257 258-259 258-261 PAGE. 