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Showing results 1 – 8 of 8

Glossary Term – Event

Phonograph invented

Thomas Edison invents the phonograph at his laboratory in Menlo Park, New Jersey.

Glossary Term – Event

Barbed wire patented

Joseph K. Glidden of DeKalb, Illinois, received a patent for barbed wire.

Glossary Term – Event

Alternating current motor invented

Nikola Tesla invented the alternating current (AC) motor, making it possible to transmit electricity over great distances.

Glossary Term – Event

Cotton gin patented

Eli Whitney obtained a patent for the cotton gin.

Glossary Term – Event

Six-shooter gun introduced

Samuel Colt introduced the “six-shooter,” the first handgun with a revolving barrel.

Glossary Term – Event

First telegraph message

Samuel F.B. Morse sent the first message by telegraph: “What hath God wrought.”

Glossary Term – Event

Telephone patented

Inventor Alexander Graham Bell patented the telephone.

Glossary Term – Person

Eli Whitney

Eli Whitney (1765–1825) invented the cotton gin and also developed and popularized the use of interchangeable parts in mass production.