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The lightning rod was invented by Benjamin Franklin. It was designed and used to harmlessly bring lightning down into the ground without harming the structure.
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The first ever submarine invented was named "The Turtle." It was able to attack the HMS Eagle harbored in New York.
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This cotton gin was first invented by Eli Whitney. Sadly he didn't become rich off of this, due to other cotton farmers who invented other versions of it.
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Before this was invented, people who were a fan of coffee had to chew their grounds. But not any more after Benjamin Thompson's invention.
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These boats were able to travel down rivers around 5 mph. This wasn't much but made trading a lot easier.
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This technological invention made farming way easier in america and farmers didn't need to go through as much labor as they used to.
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It was invented by Nicéphore Niépce. He coated a piece of paper in with silver chloride, which darkened when it was exposed to light.
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This machine was invented to replace the scythe. This made cutting grains much faster and easier.
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This machine was such a helpful tool for women back in the day. Women didn't have to hand sew anymore and made designing clothing much faster and easier.
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This separated the grain from the chaff automatically which made the process faster and easier for farmers.
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This changed communication back then. The telegraph was able to send messages as far from Baltimore to the Supreme Court in Washington, DC.
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This alarm is exactly what it sounds like. It is an alarm used in shops for people trying to steal.
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This was called the megaskop kamera.
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