~ V1 ~ ' ' ' ' ' . : P .G , ~ til , ~ . - " - " - . 0 N 0- p ! g 0 Go ~ 0. : < - d < : > . Iw < . d + 2 . ~ " . - " , N N ~ ~ . - ~. ~ ~ . g " P- - ~ ~ . ~ - . r . -. " >- . 1 ' - , . v " ~ : N .~ Q ' ~ cn 0 ~ ~ ( ; doo . " " " / : : . ) ) . t0 ~ j . ClQ . ~ - ~ . : - I . = \ . : P ~ ~ 0' cr P ( - " t > ) ' ClQ ~ ~ - oo0 O 0 ( ( "CAP0 0 ~ ) / ' \ \ ) . ~ . ' ' ~ ~ oj N W 0 : 0 ~ 0 ' - G " ~ - " : : > < d . : . t . : ' ~ ~ " - ~ \ N 5 - - G~ f G ~ p " 'G cr ' G ~ ' ; " " " d 0 < - t " ' - - ' ' ~ ~ ~ VI ( . - ~P ~ @ 5 " G~ ' ~ " ~ ' " d p . > . t ' ' - . ~ ~ - VI ow w . t (G ' ~ ( . - " . t ) ' ) . " P VI 0 ~ " -' P e 0 f ~ " " ' " t > : of ? 8 WI " < ~ ~ " ? ' o ; . ~ - \ 0 w . I ~ P ' .Vol 0 . ~ t !P ; ~ ~ . : " . : : : : . : > t . : I> ) . 0 s . 3 s . Index \ 0 w :. ~ ' 0 . G< ~ 0 ~ n - ' . ;" . ; . ; 0 ! . t . " . - ~ - w ~ ~- . 0 I P 0 t ~ " ~ VI 0 . G : . " : > : " . s 3 . - - G" ' ~ ; ! ~ Braun Branly Boston Bostock Becquerel Baudot Batteries Barden Bain : Bright Brett Board Blake Billingsgate Battle Baily Atlantic Astatic " : Bright Bell t ) I Ayrton Automatic Automatic Aurora Atlantic ' ~ , ' .VI 0 P ' 0 G - : G cr ~ electrical . , Standard " : 1866 1858 1857 - . > ! < . 0 ' ! . 1 . ' ~ , cr 228 polarization 0 N ' G ~ of by Co ' - " 187 305 Bright . , \ t s ' Alexander , 210 telephone , Professor ClQ ~ on of ~ , of g ' . S P ~ automatic " oj ~( . NGClQt ' - , electric . ." cathode failure successful short . " " - > control : ) Hammond and . Professor . telegraph and borealis . ' ' - , . , , Charles Mass s cable ' , , the . Supply Trade - \ ~ r G " P-. cn ~ ~ ~' 0 P 8 G ~ 213 ' . " early - d > . > gloomy 0 1 . t s , Telegraph , 213 ' ~ telephone telegraph ~ G - ~ ~ ~' 0 P 8 G ~ standards W ~ - . I t ~ 142 Brattain - Clark : 213 : - " Perry - - : t ' t > Fish + s systems J proposal ' . life ClQ . " , , t 9 . G E ( ~I . P 8 G ~ : - O ~ ; ! ~ : , - . : : - - ; ' : . > current t ) j t ) s . 216 street \ . + form : ray , . , , Nobili Walter , \ VI - Scheme 21 - 234 , , in , telegraph Graham 217 0 , Atlantic Market prediction cell 225 , coherer ClQ 220 . ' portable - .~ 00_ 00 ~ I P ~ G " ~ . ~ p g g ~ 0 ( . : tube cells : 1881 : > il - ' - s + ) . , ' . 25 ' ClQ by transistor , cars . ~ , < t~ G ~ ~ ( ~ . P 8 G ~ , 86 - .' 0 I ' G S " 0 ~ G 0 171 , " : - : ' . > 241 : , d 298 f saP . 3 ) . + 50 , . Co ) 44 ~ 294 to , ~ Pepys , rotating 26 No " . G t ~~ P ; g ; 0 G ~ , , . - : " . t > ) - 283 45 . , ' inaugurated , . 150 , , . ~ . lit , , ~ . ~ I G ~ 185 . a 0 g ~ o : t - ' G ~ ~ r : . : : " . 268 : 302 : . ' Telegraph . ; 3 t . s early overcome . - 1846 . , . ammeter ~ of N ~ ~' 0 P I " : by > : , t s Charles , . , ciQ 43 - ? future . ' G ~ - ! t G ~ @ ~ . " . 0 ( 0' G ~ P X G 288 . / " ii > - . J : . ) t > . 3 0 . , . " . field - ' . electricity life 0 . N 86 ~ . \ . u " ' . .G - (cr P ( P t P ~ > S" - p - ~ " .~ ~ ~ ~ ~ ~ , , ' : " - . , ) > ) : 3 > " < > . ' . ' - ' ClQ . ? - ~ w ~ . .0 00 " " . Gj - ' . " ' d - ( .\ ' . t . - ' ~ ' ~ ~ ( (. ~ ~ " ( 0 - g 0 I 0 ' ( t - ~ ~ . S - . / , - - . ) .) d ) - " ! ) t <- . " ' + - , . - 1 , . ~ ~ N ~t G G S - t ~ ~ ' . .P < ~ 0 - ( ~ ( G - .G 0 G ' 0 ~ ' ! G 0 - ; c . " " - >! ; ) ) - to ? t + j . ' . " . - . " . ~ 00 ~ . - ' ( ~ ( '~ ( ~ ' \ ~ / " / ~ 1 ) t ) . ' l , ' . 0 0 .0 00 00 . 0 . ~ ( - . (G cr ~ cn ~ ! cnG ~ - ~ \ ~ . - - . / : . P o ) I < \ .\ . + + ' . l ~ ~ 00 00 - P - ( ~ t 0 ~ ! ' \ ~ > - / - 3 ) t . - l ~ ~ . ( 8 cn ~ . p . " , ~ ~ , , , ' : ' i ~ > Index British Association , standards , 302 Central Electricity Board , 202 British Post Office , aid to Marcom , Central Electricity Generating Board, 269 output in 1960, 99 British Railway systems , 194 Central London ' tube' railway , 192 British Standards Institution , 327 CERN , 282 Brooks ' s system of under ground distribution Channel cable 1851, 211 . 255 Chappe semaphore telegraph, 1794, Brusharc lamp , installationin U.S.A. 66 c. 1875, 125 Charing Cross Electricity Supply Co . , BuckinghamPalace , lightningconductor 1883 , 149 disputewith Franklin, 26 Charing Cross and Strand Electricity Buckinghamtelegraph , 225 Supply Corporation , 1889 , 149 Bunsencell , 46 Chartered Electrical Engineer , 331 Chicago Edison Co . large storage Cable, telegraph, submarine, 212 battery , 1900 , 156 Cable, telephone: Chinese explain magnetic effects in dry core, 241 antiquity , 21 , 22 , 23 multi twin, 241 Christopher Columbus notices magnetic star quad, 241 deviation . 24 transatlantic. 213 Circuit breaker, 204 Cables, power: air blast, 205 cablesheaths . 257- 60 oil. 205 concentric, 258 City and Guilds of London Institute, gaspressure , 261 324 Hochstadter. 259 City and South London ' tube' railway impregnatedpaper , 257 , 192 oil-filled. Emanuel i. 262 Clarke, EdwardMit electricmachinest Oilostatic, 261 101 rubber, 262 Clarke--Saxtoncontroversy t 102 3-core, 258 Clarkt Latimert 221 varnishedcambric , 257 Clothiert H. W., short-circuit testing Callender, bitumencables , 256 station st 205 Calver ley and others, discussionof C.M. lettert 1753tearly suggestionfor tractionsvstems . 194 electrictelegrapht 68 CambridgeInstrument Co . : Coaxialtelephone cablest 249 cardiographs, 317 Cockcroft and Walton. 281 potentiometer, 300 Code, telegraph, five-unit, 225 Campbell, SwintonA ., scanning, 285 Coherer, Branly-Lodge, 268 CanadianNational Railway locomotiveColdcathode tube . 139 . 194 Commonbattery telephone system , Capacity effects in telegraph circuits , 239 86 Commutatordevised by Sturgeon , 103 Capital cost of power stations, 204 Commutatorproposed by Ampere Carbon arc demonstrated by Davy , andfitted by Pixii to a magneto 38 electricmachine , 101 Cardew hot-wire ammeter, 309 Compagniede I' Allianceformed to Cardiographs, 317 exploitNollet 's invention, 105 Carey. G. R.. television. 285 Compassneedle manufacturerin Carner systems in telephony t 248 1576. 24 Cathode ray tube, 283 Compoundwindingof field coils, Cat's whisker, 273 1882,113 Cavendish investigates electric conductionConcentric cable , 258 in sea water, 30 Conduction, electric, Stephen Gray Centimetric waves, 280 enunciates, 27 360 Index Continuous loading , telephone cables , Decomposition of water , George 246 Pearson , 34 Continuous vulcanization , 263 de Forest , Dr . Lee , triode , 273 Cooke , William Fother gill and Sir De Magnete , Gilbert , 1600 , 25 Charles Wheatstone bring electric Deprez , direct reading instruments , 305 telegraphs into daily use , 76 Coolidge introduces tungsten lamp Deptford station under steam , 1889 , filament , 1908 , 136 164 Cooper Hewitt , mercury vapour De Rerum Natura of Lucretius , 22 lamp , 137 Deutsches Museum , 268 Copper conductors , effect of im - Diode , Fleming , 272 purities , 218 Direct reading galvanometer , 305 Copper oxide rectifiers , 287 Direct reading telegraph , Wheatstone , 79 Costs of electricity for lighthouse use , 106 Double - current working telegraph Cotton industry , 337 circuits , 86 Coulomb , Charles Augustus de , torsion Dry cell , Hellesen , 1887 , 49 balance , 291 Dry cells , 48 Couronne des Tasses of Volta , 31 Dry - core telephone cable , 241 Crampton , T . R . , 211 Duddell , William du Bois : Crompton , Rookes Evelyn : oscillatory arc , 272 Chelmsford factory , 114 oscillograph , 312 early life , 135 Duddell - Mather wattmeter , 297 electric supply , 147 Dufay , vitreous and resinous electricity strip conductors , 255 , 27 Cruickshank of Woolwich , identifies Duplex telegraph , 223 gases in electrical decomposition Dust cores , 316 of water , 34 Dynamometer , electro : Cunaeus , discoverer of Leyden jar , Frolich , 294 28 Weber , 294 Curbing condensers introduced by Varley , 222 Eddy currents : Cuthbertson anticipates voltaic current Arago ' s disc , 60 , 1796 , 30 Varley , 174 Edison , Thomas Alva : Cyclotron , Lawrence , 281 association with Swan , 128 Edison effect . 266 dal Negro , Salvatore : first motor , 178 Edison Electric Illuminating Co " 144 oscillating magnetic engine , 99 Daniell , self - depolarizing cell , 45 electric pen , 181 Darwin , Sir Charles , International electrical inventor , 119 units , 303 Holborn Viaduct , 145 Davidson , Robert , electric car , 179 Pearl Street , 144 Davies , W . Langdon , induction motor , traction , 181 1R9 underground cable , 254 Davy , Humphry : Einthoven , string galvanometer , 316 Electric current no future , Bostock , appointed Royal Institution , 36 44 carbon arc , 38 decomposes alkalis , 40 Electric eel , 21 early life , 35 Electric Lighting Act : De Civitate Dei of St . Augustine , and the first , 1882 , 145 the second , 1888 , 147 magnetism , 22 Deckert granular telephone transmitter Electric power , a civilizing influence , 342 , 235 361 Index Electricrailway , thefirst , 181 Faraday, Michael: Electrictraction in nationallife , 343 Diary, 91 Electricalattraction by rubbed amber , earlylife , 89 27 electrolysisnomenclature , 41 Electricalcoupling of machines, 190 introducedto RoyalInstitution , 90 Electricalmachine , Otto von Gue- appointedassistant , 91 ricke, 1660, 27 lighthouses, 106 ElectricalReview , The, 324 majordiscoveries , 92-7 Electricalstandards , 298 tour of Europe, 334 ElectricalTimes , The, 324 Farmer, multiplextelegraph , 225 Electrician, The, 142, 324 Faure, formedplate of storagebatteries Electricitygrid , 202 . 155 ElectricitySupply Acts ; 1919, 202; Ferrant i, SebastianZiani de : 1926, 202 alternator, 173 Electrochemicalequivalents , 41 breakwith directors, 167 Electrochemistry, Davy's early experimentsDeptford, 162 , 38 Ferrant i effect, 167 Electrolysis, Faraday, anode, cathode, GrosvenorGallery , 143 etc.,