Documents The Evolution of the Telephone

1. The Evolution of the Telephone:From the Crank Phone to the iPhoneJuly 20, 2009Created by Mark Litwa 2. How It All Began• An accident givesAlexander Graham Bellhis idea…

Documents Telephone technology from the crank phone to the smartphone to.

Slide 1 Telephone technology from the crank phone to the smartphone to Slide 2 The invention of the telephone In the 1870s, two inventors Elisha gray and Alexander Graham…

Documents Telephone technology

Telephone technology Telephone technology from the crank phone to the smartphone to The invention of the telephone In the 1870s, two inventors Elisha gray and Alexander Graham…