-
Telescope
Galeilo Galeli invented the telescope -
cotton gin
Eli whitney invented the cotton gin -
storm locomotive
george stephenson invented the storm locomotive -
sewing machine
elias howe invented this -
safety pin
walter hunt invented this -
dynaimite
alfred nobel invented this -
telephone
elisha gray invented this -
motion picture
lewis lumiere invented this -
air conditioning
willis carrier invented this -
airplane
the wright brother invented this -
television
philo transworth invented this -
frozen food
clarence birdseye invented this -
tape record
clorenz AEG invented this -
atomic bomb
robert oppenheimer invented this -
compact disc
sony[company] invented this