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Explores the technology & the history of the telephone, from the Coffin sets of the 1870s to the Princess phones of the 1960s and beyond.
Explores both the technology and marketing decision-making in a world-wide industry where product purchasers represent long-term decisions. This book deals with the mainstream switching systems required for the public network. It is about the history of core switching systems and signaling.
"The wondrous invention that changed a world and spawned a corporate giant"--Jacket subtitle.
Innovative designs in over 500 color photos trace the development of telephones rom Bell's first experimental equipment. Exquisite examples of wooden box phones, vanities, upright "candlesticks," and desk stand or "cradle" phones include Canadian and European models. This volume has become an important reference with descriptions of numerous telephone companies and manufacturers and an updated value guide. This is the most expansive work compiled on antique telephones, helping a growing and exciting hobby.
The telephone is a very important part of our everyday lives. This is all thanks to Alexander Graham Bell, who invented the first practical telephone in 1876. This book features biographical information about Bell and STEM concepts necessary to understand how the invention marked a major milestone in history. Full-color and essential primary sources convey to readers how the telephone has changed over the last century.
No other source could ever equal Bell's personal and detailed description of the steps leading to his remarkable invention. This description is included in Bell's testimony before various courts in the years 1879, 1883 and 1887 when his exclusive patents rights were being questioned by the United States Government. In preparing his defense, Bell provided important insights into the process of his own experimentation leading to the first crude telephone. In his introduction, Charles H. Swan describes Bell's testimony as "... the most detailed and best arranged statement of his telephone work".
Fernsprechtechnik, Telefonie (Technik).
Reproduction of the original. The publishing house Megali specialises in reproducing historical works in large print to make reading easier for people with impaired vision.