The Telephone (Classic Reprint): A Lecture Entitled, Researches in Electric Telephony, Delivered Before the Society of Telegraph Engineers, October ... October 31st, 1877 (Classic Reprint) - Softcover

Inhaltsangabe

This book delves into the history of electric telephony, tracing its evolution from the initial discovery of the mechanism of speech to the invention of the telephone. The author begins by describing his early experiments with tuning forks and the idea of transmitting multiple telegraph messages simultaneously. He discusses the various types of electrical currents used in telephony, including intermittent, pulsatory, and undulatory currents, and explains the advantages and limitations of each. The book also explores the development of the telephone from the early models that could only transmit musical tones to the more advanced versions that allowed for intelligible speech. The author provides detailed descriptions of the various components of the telephone, such as the diaphragm, magnet, and coils, and explains how they work together to produce sound. Overall, this book offers a comprehensive overview of the history of electric telephony, providing valuable insights into the scientific and technological advancements that have shaped this field.

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