The Telephone

The Telephone

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Describes why and how the telephone was invented, how the telephone system was developed, and how the telephone has been physically improved since its invention.Other leading cell phone service providers were T-Mobile, Alltel, Nextel, and Cingular (until it was acquired by ATaamp;T in 2007). Some of ... Leading cell phone manufactur-ers were Sony, BlackBerry, Nokia, LG, Motorola, Samsung, and Sanyo.

Title:The Telephone
Author:John Murphy
Publisher:Infobase Publishing - 2009


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