Every-day Science: Volume 6. The Conquest of Nature

by Henry Smith Williams; Edward Huntington Williams

CHAPTER XII

THE MINERAL DEPTHS

The chapter on "The Origin and Development of Modern Geology," vol. III., p. 116 seq., may be read in connection with the allied subjects here treated.

In preparing the section on the use of electricity in mining, the article by Thomas Commerford Martin, entitled Electricity in Mining, in the United States Census Report of 1905, has been freely drawn upon. The quotations on pp. [262], [266], [268], and [270] are from that source.

CHAPTER XIII

THE AGE OF STEEL

See note under chapter XII.

CHAPTER XIV

SOME RECENT TRIUMPHS OF APPLIED SCIENCE

In connection with various portions of this chapter the reader will find much that is of interest in the story of chemical development in general as detailed in volume III., pp. 3-72 inclusive.