Railroads.--Electrolysis.--General facts.--Electrical
Measurements.--"Death Current."--Instruments of
Measurement.--Electricity as an Industry.--Medical
Electricity.--Incomplete possibilities.--What the "Storage
Battery" is.

CHAPTER IV. Electrical Invention in the United States.--Review
of the careers of Franklin, Morse, Field, Edison and
others.--Some of the surprising applications of
Electricity.--The Range-Finder.--Cooking and heating by
Electricity.




THE STORY OF STEAM


That which was utterly unknown to the most splendid civilizations of the
past is in our time the chief power of civilization, daily engaged in
making that history of a new era that is yet to be written in words. It
has been demonstrated long since that men's lives are to be influenced
not by theory, or belief, or argument and reason, so much as by that
course of daily life which is not attempted to be governed by argument
and reason, but by great physical facts like steam, electricity and
machinery in their present applications.

The greatest of these facts of the present civilization are expressed in
the phrase, Steam and Steel. The theme is stupendous. Only the most
prominent of its facts can be given in small space, and those only in