Eletric elevator is one of them
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The Centennial Exhibition of 1876 saw thousands of inventions, most notably Alexander Graham Bell's Telephone, which changed short-range communications forever.
A person can get a biography of the inventor Alexander Miles from a local book store. A person could get also find a biography at a store that sold school history books.
Thomas Edison created the Lightbulb Henry Bessemer and the Steel engine the railroads Telegraph The telephone by Alexander Graham Bell
Airplane
You can find some inventions in the Wikipedia article "List of inventions".