An electric light in which a filament is heated to incandescence by an electric current.

Incandescent Bulb

An electric light in which a filament is heated to incandescence by an electric current.

The System of Arc Lights is a device used to obtain electric light by conducting a current of electricity through a resisting medium, as a gas or a carbon wire.

System of Arc Lights

The System of Arc Lights is a device used to obtain electric light by conducting a current of electricity…