From Alexander Graham Bell's earliest model to modern-day cell phones, telephones are one of our most important modes of communication. Learn about the initial attempts to transmit the human voice over wire, and discover how far telephones have progressed within the past few centuries. Have you ever wondered what life was like before telephones or cars? It's easy to take for granted the inventions that have had such huge impacts on our everyday lives. With the help of The Timeline Library, children can visualize the development-and grasp the monumental impacts-of some of the most influential innovations in history. Presented in a timeline format that combines biography, science, history, and social studies, each book offers young readers a unique perspective from which to view the course of human history. Kids will emerge with a well-rounded understanding of how these inventions have played an indelible role in shaping our past, present, and future

Mode of access: World Wide Web