
audiobook
Wireless Telegraphy and Telephony Simply Explained
PREFACE
CHAPTER I. INTRODUCTORY: WIRELESS TRANSMISSION AND RECEPTION. THE ETHER. ELECTRICAL OSCILLATIONS. ELECTROMAGNETIC WAVES.
CHAPTER II. THE MEANS FOR RADIATING AND INTERCEPTING ELECTRIC WAVES. AERIAL SYSTEMS. EARTH CONNECTION.
CHAPTER III. THE TRANSMITTING APPARATUS.
CHAPTER IV. THE RECEIVING APPARATUS.
CHAPTER V. TUNING AND COUPLING, DIRECTIVE WAVE TELEGRAPHY.
CHAPTER VI. THE DIGNITY OF WIRELESS. ITS APPLICATIONS AND SERVICE. WIRELESS IN THE ARMY AND NAVY. WIRELESS ON AN AEROPLANE. HOW A MESSAGE IS SENT AND RECEIVED.
CHAPTER VII. THE EAR. HOW WE HEAR. SOUND AND SOUND WAVES. THE VOCAL CHORDS. THE STRUCTURE OF SPEECH.
CHAPTER VIII. THE TELEPHONE TRANSMITTER AND RECEIVER. THE PHOTO PHONE. THE THERMOPHONE. THE SELENIUM CELL. THE SPEAKING ARC.
Step into the early days of radio with a clear, conversational guide that explains how invisible electrical impulses bridge oceans and continents. The author walks readers through the basic principles of wireless telegraphy, using everyday analogies—like the ripples from a stone tossed into water—to make complex ideas approachable. Accompanied by numerous diagrams, the text shows how simple transmitters and receivers are built, how aerials are arranged, and why certain configurations work better than others.
Beyond the fundamentals, the book explores the practical side of setting up an amateur station, from choosing batteries to arranging antennas and grounding systems. Historical examples, such as the Navy’s early installations and Marconi’s trans‑Atlantic plant, illustrate real‑world applications of the theory. A brief look ahead hints at future possibilities for wireless communication, all presented in a style that invites both curious newcomers and hobbyists to experiment with the technology that shaped modern connectivity.
Full title
Wireless Telegraphy and Telephony Simply Explained A Practical Treatise Embracing Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and Its Present Day Applications, Together With a Chapter on the Possibilities of Its Future Development
Language
en
Duration
~4 hours (261K characters)
Publisher of text edition
Project Gutenberg
Credits
James Simmons
Release date
2021-11-10
Rights
Public domain in the USA.
Subjects

1889–1972
Best known for making science and technology feel approachable, this early 20th-century writer created practical books that invited young readers to build, experiment, and understand how things work. His work helped turn curiosity about radio, electricity, and invention into hands-on learning.
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