TECHNOLOGY
McCormick, Anita Louise

The Invention of the Telegraph and Telephone in American History

(4) 4-6 In American History series. The earlier telegraph and the later telephone revolutionized communication in America. In a sometimes clumsy fashion, this book outlines the development of the two technologies, including background information on the inventors. Black-and-white pictures include a reproduction of Bell's earliest sketches. Reading list, timeline, websites. Ind.

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