Produced by Emily Ratliff, Juliet Sutherland, Charles Franks

and the Online Distributed Proofreading Team.

MARVELS OF MODERN SCIENCE

By PAUL SEVERING

Edited by THEODORE WATERS

1910

CONTENTS

CHAPTER I FLYING MACHINES Early attempts at flight. The Dirigible. Prof. Langley's experiments. The Wright Brothers. Count Zeppelin. Recent aeroplane records.
CHAPTER II WIRELESS TELEGRAPHY Primitive signalling. Principles of wireless telegraphy. Ether vibrations. Wireless apparatus. The Marconi system.
CHAPTER III RADIUM Experiments of Becquerel. Work of the Curies. Discovery of Radium. Enormous energy. Various uses.