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Cotton Gin
The cotton gin separates cotton seeds from fibers. The cotton gin was invented by Eli whitney. The invention helped make clothes and other nessesoties faster. This changed society because they started to use slavery because they needed people to pick the plants and put the plants into the machines. -
Steam Engine
John Eriksson invented the steam engine. It is a engine that was powered by a coal fire. It helped society by allowing them to travel to places faster than before. -
Typewriter
The typewriter is a devise that you could type out letters or documents. The typewriter was invented by Christopher Sholes -
light bBulb
Thomas Edison invented the light bulb. The invention is needed because if it was not invented every night would be like the power is out.
