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calculator
William Seward Burroughs, made calculating numbers easier -
clock
Eli Terry made the clock to make it easier to tell time -
submarine
John Phillip Holland, allowed travel underwater -
sewing machine
Elias Howe made the sewing machine to attach piece of cloth together. -
Cotton gin
Eli Whitney made picking cotton faster -
telegraph
Samuel F. B. Morse made a way of communicating over a long distance. -
breakfast cereal
John Kellogg, a new form of breakfast food -
glass
Louis Comfort Tiffany, invented a new way of decorating, and adding new lighting to a house. -
barbed wire
Joseph Glidden, made to protect things and used as a fence -
Aluminum
Charles Martin Hall, cheaper metal used in various activities -
bottlecap
William Painter, invented a way of a resealable drink -
Radio
Guglielmo Marconi, broadcast of radio signals to send messagesto a span of distance