Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 887
THOMAS SANDERS, I-IKsT FINANCIAL THEODORE N. VAIL. WHO INVENTEDBACKER OF THE TELEPHONE THE TELEPHONE BUSINESS 604 THE STORY OF THE TELEPHONE the Strowger Automatic Telephone Ex-change. To tell the story of the early strug-gles of this company would require a volume.We may simply say that… … A.\ AUTOMATIC ^WTlClilM. 1-XCHANGE this, a large number of cities in this and othercountries have used machine-switching ex-changes for more than twenty years. Al-ready, New York City has begun to converther vast system to the automatic basis.The type of equipment, however, is radicallydifferent…
Children's literature
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