INDEX. 



347 



Electric field, mechanical conception of, 



242 

 the, 163 



flux, 177 



furnace, the, 26 



generator, the, 124 



lighting, 337 



machine, the frictional, 201 



machines of the influence type, 203 



momentum, 141 



definition of, 155 



motor, the, 124 



oscillations, 242 



oscillator, 252, 254 



osmosis, 321 



potential, 1 86 



spark in a gas, 224 

 the, 164, 215 



wave distortion, 269 



waves, 242 



welding, 341 



whirl, the, 219 

 Electrical and mechanical analogies, 342 



conductors, I 



doubler, the, 196 



insulators, I 



measurements, 276 



resistance, 25 



Electrically charged bodies, 162 

 Electrochemical equivalent,definition of,9 

 Electrodes, definition of, 5 

 Electrodynamometer, the, 109 



Siemens', no 



the Weber, no 

 Electrokinetic energy, 141 

 Electrolysis, 5 



current density in, 8 



dissociation theory of, 10 



Faraday's Laws of, 9 

 Electrolyte, definition of, 5 

 Electrolytic cell, definition of, 5 

 Electromagnet, the, 61 

 Electromagnetic system of units, 180 



theory a branch of mechanics, 117 



wave, velocity of, 267 

 Electromagnetism and ferromagnetism, 6 1 

 Electromechanics, 219 



Electrometer, the absolute, 183 



the quadrant, see electrostatic volt- 

 meter 



Electromotive force, definition of, 35 

 drop, 39, 40 



hydraulic analogue of, 36 

 induced, 1 17 

 measurement of, 282 

 Electrons, 222 

 Electrophorus, the, 202 

 Electroplating, 4 

 Electroscopes, 209 

 Electrostatic attraction, 163 



of concentrated charges, 1 80 

 of parallel plates, 181 

 capacity, see capacity 

 system of units, 1 80 

 voltmeter, the, 184 

 Electrostatics, the phenomena of, 194 

 Energy, potential, of a charged condenser, 



170 



stream in electromagnetic field, 245 

 Esty, William, Elements of Electrical 



Engineering, 81 

 Ewing, J. A., Magnetic Induction in 



Iron and other Metals, 8 1 

 Swing's theory of the magnetization of 

 iron, 86 



Farad, definition of, 166 



Faraday units, see electrostatic system of 



units 

 Faraday's experiment, 212 



discovery of induced electromotive 

 force, 1 20 



Law's of electrolysis, 9 

 Ferromagnetism and electromagnetism, 



61 

 Field, electric, see electric field 



magnetic, see magnetic field 



windings, shunt and series, 129 

 Flaming-arc lamp, 340 

 Flinders' bar, 307 

 Fluoroscope, the, 230 

 Flux, electric, 177 

 Flux-turns, definition of, 155 

 Focusing tube, the, 231 



