This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "pub

Excerpt from The Boy's Book of Inventions: Stories of the Wonders of Modern Science The Boy's Book of Inventions: Stories of the Wonders of Modern Science was w

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant mark