Calendar: 1884-1885 Page 367

EVENING CLASSES 361 The following is short summary of the way in which the subject will be treated -- The properties of Magnets both natural and artificial and their mutual action Magnetic Induction Peculiar properties of the magnetic field The different ways both ancient and modern of generating ן an electric current The various properties of electric currents The mutual interaction of currents and magnets Electroffiagnetism IThe theory of Magneto-Electricity The principles of construction of the Dynamo-Machine Illustrated historical sketch of the growth of the Dynamo-Machine from its earliest to its present form Electrical Conduction and Resistance The work done in circuit by the Electric current Application of the prin- ciple of the Conservation of Energy Heat developed by the current in Conductor Distribu tion of Heating Effect in the different parts of circuit The necessity of opposition to the current for the production of Heat and Light Illustrations of the History and Progress of Electric Lighting Arc Lights and Incandescent Lights Illustrations and descriptions of the leading kinds of Arc and Incan- descent Lamps Subdivision of the electric current and its application to Η Electric Lighting The Distribution of Heat in divided circuit and the effect of the subdivision upon the amount of Light produced Storage of Electricity and its applications The Electric Transmission of Power Fire Risks of Electric Lighting and the necessary precautions illustrated and explained