The Age of Invention
The Age of Invention, A Chronicle of Mechanical Conquest
by Holland Thompson
PREFATORY NOTE
This volume is not intended to be a complete record of inventive genius and mechanical progress in the United States. A bare catalogue of notable American inventions in the nineteenth century alone could not be compressed into these pages. Nor is it any part of the purpose of this book to trespass on the ground of the many mechanical works and encyclopedias which give technical d ...