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300
Paper
Made By:Ts'ai Lun -
Mar 9, 1483
Compact Disc
Made By: James Russell -
Telescope
Made By:Hans Lippersheys -
Cotton Gin
Made By:Eli Whitney -
Sewing Machine
Made By:Elais Howe -
Safety Pin
Made By:Walter Hunt -
Dynamite
Made By:Alfred Nobel -
Telephone
Made By:Alexander Graham Bell -
Motion Picture
Made By:Thomas Edison -
Airplane
Made By:Wright Brothers -
Frozen Foods
Made By:Clarence Birdseye -
Television
Made By:Philo T. Farnsworth -
Tape Recorder
Made By:William C. Rhodes -
Atomic Bomb
Made By:J. Robert Oppenheimer -
Wheel
Made By:Proto-Indo-Europeans