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Ozone, Production of 171 Phosphorescence 367 Physiological Effects... 162, 394 Resonance 340 Spinning Filament 168 Streaming Discharges of High Tension Coil.. .155, 163 Telegraphy without Wires 346 Impedance, Novel Phenomena. 194, 338 Improvements in Unipolar Gen- erators 465 Improved Direct Current Dyna- mos and Motors ... 448 Induction Motors 92 Institution Electrical Engineers Lecture 189 Lamps and Motor operated on a Single Wire 330 Lamps with Single Straight Fiber 183 Lamps containing only a Gas . 188 Lamps with Refractory But- ton 177. 239, 360 Lamps for Simple Phosphore- scence 187, 282, 364 Lecture, Tesla before : American Institute Elec- trical Engineers 145 Royal Institution 124 Institution Electrical Eng- ineers 189 Franklin Institute and Nat- ional Electric Light Asso- ciation 294 Electrical Congress, Chicago 486 Lighting Lamps Through the Body 359 Light Phenomena with High Frequencies ;J49 Luminous Effects with Gases at Low Pressure 368 " Magnetic Lag " Motor 67 "Massage" with Currents of High Frequency 394 Mechanical and Electrical O.scil- lators 4,S)i Method of obtaining Direct from Alternating currents 409 Method of obtaining Difference of Phase by Magnetic Shield- ing 71 Motors : With Circuits of Different Resistance 79 With Closed Conductors. . . 9 Combination of Synchroniz- ing and Torque 94 With Condenser in Arma- ture Circuit 100 With Condenser in one of the Field Circuits 106 With Coinciding Maxima of Magnetic Effect in Arma- ture and Field 83 With "Current Lag " Arti- ficially Secured .58 Early Phase 477 With Equal Magnetic Ener- gies in Field and Arma- ture SI Or Generator, obtaining De- sired Speed of 36 Improved Direct Current. . . 448 Induction 92 " Magnetic Lag" .. 67 ' ' No Wire " 235 With Phase Difference in Magnetization of Inner and Outer Parts of Core.. 88 Regulator for Rotary Cur- rent 45 Single Circuit, Self-starting Synchronizing... ... 50 Single Phase 76 With Single Wire to Genera- tor 234. 330 Synchronizing 9 Thermo-Mannetic 424 Utilizing Continuous Cur- rent Generators ',\\ National Electric Light Asso- ciation Lecture 294 " No Wire " Motor 235 Observations on the Eye 294 Oil, Condensers with Plates in . 4 is Oil Insulation of Induction Coils 173. 221 Oscillators, Mechanical and Electrical 48(i 496 INDEX. Ozone, Production of 171 Phenomena Produced by Elec- trostatic Force 319 Phosphorescence and Sulphide of Zinc 367 Ph>-siological Effects of High Frequency 162, 394 Polyphase Systems '^G ' Polyphase Transformer 109 Pvromagnetic Generators 4'29 Regulator for Rotary Current Motors 4.'j Resonance, Electric, Phcnom- I ena of . . 340 " Resultant Attraction " 7 Rotating Field Transformers. . . 9 Rotating Magnetic Field 9 Royal Institution Lecture 124 Scope of Lectures 119 Single Phase Motor 76 Single Circuit, Self-Starting ; Synchronizing Motors 50 Spinning Filament Effects 168 , Streaming Discharges of High Tension Coil 1 ■">">, 168 Synchronizing Motors 9 Telegraphy without Wires. ... 346 Transformer with Shield be- tween Primary and Second- ary 113 Thermo-Magnetic Motors 424 Thomson, J. J., on Vacuum Tubes .' 397, 402, 406 Thomson, Sir W, Current Ac- cumulator 471 Transformers ; Alternating 7 Magnetic Shield 113 Polyphase 109 Rotating Field 9 Tubes : Coated with Yttria. etc 1^7 Coated with Sulphide of Zinc, etc 290, 367 Unipolar Generators 465 Unipolar Generator, Forbes, 468, 474 Yttria, Coated Tubes 187 Zinc, Tubes Coated with Sul- phide of 367 ^r<^^ X^iM^'^> PLEASE DO NOT REMOVE CARDS OR SLIPS FROM THIS POCKET UNIVERSITY OF TORONTO LIBRARY TK uo TAM2 Engin Hart in, Thomas Coinmerford The inventions. 