The Project Gutenberg EBook of Artificial Light, by M. Luckiesh

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Title: Artificial Light
Its Influence upon Civilization

Author: M. Luckiesh

Release Date: January 29, 2006 [EBook #17625]

Language: English

Character set encoding: ASCII

*** START OF THIS PROJECT GUTENBERG EBOOK ARTIFICIAL LIGHT ***

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Transcriber's Notes:

1. Subscripts have been marked with an underscore character in front
with text surrounded in curly braces, for example: H_{2}O (formula
of water).

2. Inconsistent hyphenation of words preserved.

3. Several misprints fixed. A full list of corrections can be found at
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[Illustration: LIGHT AND LIBERTY]

The Century Books of Useful Science

ARTIFICIAL LIGHT

ITS INFLUENCE UPON CIVILIZATION

BY
M. LUCKIESH

DIRECTOR OF APPLIED SCIENCE. NELA RESEARCH LABORATORY,
NATIONAL LAMP WORKS OF GENERAL ELECTRIC COMPANY

Author of "Color and Its Applications," "Light and Shade
and Their Applications," "The Lighting Art,"
"The Language of Color," etc.

_ILLUSTRATED WITH
PHOTOGRAPHS_

NEW YORK
THE CENTURY CO.
1920

Copyright, 1920, by
THE CENTURY CO.

DEDICATED

TO THOSE WHO HAVE ENCOURAGED
ORGANIZED SCIENTIFIC RESEARCH FOR
THE ADVANCEMENT OF CIVILIZATION

PREFACE

In the following pages I have endeavored to discuss artificial light for
the general reader, in a manner as devoid as possible of intricate
details. The early chapters deal particularly with primitive artificial
light and their contents are generally historical. The science of
light-production may be considered to have been born in the latter part
of the eighteenth century and beginning with that period a few chapte