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Cotton gin
invented in 1793 by Eli Whitney helped seperate the seeds from the cotton. -
screw propeller
francis smith invented the screw propeller as a way to move boats quickly through water without having to paddle. -
waterwheel
Lester Pelton invented the waterwheel as a power source for machinery. -
Fountain pen
Lewis Waterman created thr fountain pen to help writers. -
door lock
linus jr yale invinted the door lock this helped stop crimes. -
Breakfast cereal
John Kellogg created breakfast cereal this was accually a accident but it is more important to breakfast than poptarts. -
disolvable pills
William Erastus Upjohn created this and it greatly helped the medical field. -
Bottle cap
William Painter invented bottle caps this was cheap and helped the bottling industry making them a lot of money. -
Radio
Guglielmo Marconi made the radio people could now listen to news and music. -
dynamite
invented by alfred noble helped mining no more manual digging.
