STEM Milestones: Historic Inventions and Discoveries

Alexander Graham Bell’s Telephone

The telephone is a very important part of our everyday lives. This is all thanks to Alexander Graham Bell, who invented the first practical telephone in 1876. This book features biographical information about Bell and STEM concepts necessary to understand how the invention marked a major milestone in history. Full-color and essential primary sources convey to readers how the telephone has changed over the last century.