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“The principal authority for the general treatment of the history of coal, and of iron and steel, in Alabama is the work of Miss Ethel Armes. The Story of Coal and Iron in Alabama is a comprehensive and scholarly work portraying in attractive style the growth of the mineral industries in its relation to the development of the state and of the South, in preparation of which the author spent more than five years.” —Thomas McAdory Owen, History of Alabama and Dictionary of Alabama Biography
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Historical papers are prefixed to several issues.
What is "digital telephony"? To the authors, the term digital telephony de notes the technology used to provide a completely digital point-to-point voice communication system from end to end. This implies the use of digital technol ogy from one end instrument through the transmission facilities and switching centers to another end instrument. Digital telephony has become possible only because of the recent and ongoing surge of semiconductor developments allowing microminiaturization and high reliability along with reduced costs. This book deals with both the future and the present. Thus, the first chapter is entitled, "A Network in Transition." As baselines, Chapters 2, 3, and 10 provide the...