Steam Steel and Electricity

its modern uses possible.--The universal wire.--Conductors and

non conductors.--Electricity an exception in the ordinary Laws

of Nature.--A dual nature: "Positive" and "Negative."--All

modern uses come under the law of Induction.--Some of the laws

of this induction.--Magnets and Magnetism.--Relationship between

the two.--Magnetic "poles."--Practical explanation of the action

of induction.--The Induction Coil.--Dynamic and Static

Electricity.--The Electric Telegraph.--First attempts.--Morse,

and his beginnings.--The first Telegraph Line.--Vail, and the

invention of the dot-and-dash alphabet.--The old instruments and

the new.--The final simplicity of the telegraph.

cables.--The story of the first cable.--Field and his final

success.--The Telephone.--Early attempts.--Description of Bell's

invention.--The Telautograph.--Early attempts and the idea upon

which they were based.--Description of Gray's invention.--How a

Telautograph may be made mechanically.

the conductor of a current.--The first Electric Light.--The Arc

Light, and how constructed.--The Incandescent.--The

Dynamo.--Date of the invention.--Successive steps.--Faraday the

discoverer of its principle.--Pixü's

machine.--Pacinatti.--Wilde.--Siemens' and Wheatstone.--The

Motor.--How the Dynamo and Motor came to be coupled.--Review of

first attempts.--Kidder's battery.--Page's machine.--Electric

Railroads.--Electrolysis.--General facts.--Electrical

Measurements.--"Death Current."--Instruments of

Measurement.--Electricity as an Industry.--Medical

Electricity.--Incomplete possibilities.--What the "Storage

Battery" is.