LIST OF HALFTONE ILLUSTRATIONS Frontispiece Fire Without Matches Man Carried Fire to His Cave Water Works for Man Father Nile Norwegian Woman Spinning Jacquard Loom for Weaving Silk Galileo Discovering the Principle of the Pendulum Mill Engine Designed by James Watt A Modern Descendant of the "De Witt Clinton" Modern Printing Press The Telescope at the Mt. Wilson Observatory, California The Camera Forms of Lenses Faraday and His Dynamo Round-the-World Plane Radio Antenna on the U.S.S. "Texas" Thomas Edison and His Phonograph LIST OF LINE DRAWINGS The Clepsydra or "Water-Thief" Compass Card The Gyro-Compass or Spinning Compass Picture Writing and the Ancestors of Our Alphabet The Leyden Jar Continue Back Back to Legacy © 2001, by Lynn Waterman