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Inventions - Coggle Diagram
Inventions
Coal 
It became popular in the 1600s,
There was a lot of coal, so it became the main power source.
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Powering Railway Cars with Steam
In 1804, he put a steam engine on a four-wheeled carriage.
The first public railroad opened in England in 1825. In the U.S., the Civil War (1861–1865) helped the railroads to grow.
In the U.S., the Civil War (1861–1865) helped the railroads to grow
Around 1800, Englishman Richard Trevithick got the bright idea of powering railway cars with steam; until then, horses had pulled them
Printing Press
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Morse code
It was created on May 24, 1844,
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Steamboat
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cotton gin
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This machine separated quickly and easily the cotton fiber from their seeds, this machine helped to stop doing the work in a manual way.