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bifocals
Ben Franklin made the bifacals.and: was a Doctor and the sixtheh president of the supreme council . it was a early verzion of the glasses and it has helped sports people -
cotton gin
Eli Whitney made the cotton gin. and : Farmers throughout Georgia resented having to go to Eli Whitney's cotton gins where they had to pay what they regarded as an exorbitant tax. and.people made versions of Eli Whitney's gin and claiming they were new inventions. it was somthing that seperated seeds from cooton. and has helped us by makeing it easyer. -
mechanical reaper
Cyrus McCormick made the mechanical reaper. and
: said his goal was to make a million dollars and made the reaper when he was 22. it was used as a plow -
morse code
Samuel Morse made the morse code. and : first successful demonstration of the telegraph occurred in Washington Square on January 24, 1838 and the morse code was used in some wars. people used it to comunicate and helped us in ww1and ww2 -
zipper
Whitcomb L. Judson made the zipper and.: was a mechanical engineer and Judson founded the Universal Fastener Company. *it was used to zip up are fly. they keep stuff closed. -
sewing machine
Elias Howe made the sewing machine. and :Elias Howe was born in Spencer, Massachusetts on July 9, 1819. and His family had a small farm and a gristmill. it was used to make cloth and made cloth for the poor -
typewriter
Chris lanthanum sholes made the typewriter : the type writer ball and the qwerty layout on the computer -
telephone
Alexander graham bell made the telephone.
: was an eminent scientist and he started the Bell telephone company. it was used to call and to warn of attacks -
micerwave
Percy Spencer made the micerwave. :the U.S. Navy in 1912 to learn wireless telegraphy. He joined the raytheon company in the 1920s . heat quik food and we dont have to by fast food resraunt food. -
air conditoning
john gorriemade the air conditioning.
:John Gorrie is considered the father of air conditioning and Gorrie invented a machine that produced ice . keep keep us cool and help people from heat strocks -
windshield wipper
Mary Anderson made the wind shield wipers
:The first mechanical windshield wipers had to be operated by hand .and cars were equipped with windowed doors to protect passengers from bad weather and dust. clean windows and help people not get in wrecks -
computer mouse
doglae engabart made the mose.
: was born in 19250,oregan and he graduated high school and went to Oregon State University to study electrical engineering. click on articols and it helped us nrecserach.
