9 Technologies That Transformed Investing—From the Telegraph to AI

In the early days of the country, each city conducted its own financial business. Here are the key innovations that changed ...
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Principles of electricity applied to telephone and telegraph work; a training course text prepared for employees of the Long Lines Department, American Telephone and Telegraph ...

"This book is the outgrowth of certain less formal notes ... Its origin may be traced to a set of such notes bearing the title, ʻElements of electricity applied to telephone and telegraph work.' These ...