Includes bibliographical references (page 31) and index.
Contents
The power of the telephone -- Early years -- Teaching speech -- Experiments in sound -- Eureka -- How it worked -- Telephones take off -- Fame and fortune -- Family and retirement -- More inventions -- Later years -- Changing the world -- Timeline -- Glossary -- For more information -- Index.
Summary
When Alexander Graham Bell invented the first practical, working telephone he assured himself a place in the history books forever. The telephone was an invention that truly changed the world. It quickly became the fastest and most efficient way for people to communicate over any distance.