Vintage Telephones of the World
This concise examination of the history of the telephone charts early experimentation, technological improvements, the electrophone, special purpose telephones and the evolution of new telephone exchanges. The text concludes with a description of telephone applications in the modern era. culminating in over 25 years as telephone historians and curators of telephone museums. Their research took over 10 years, and information and pictures for the text were gathered from telephone administrations, manufacturers, museums and historial collections throughout the world. Whenever possible, original documents were consulted. The text has been illustrated with pictures of rare and unusual telephones, many of which have been specially photographed for this book.
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Improved speaking and listening
Many shapes and sizes
The cabinet telephone
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