-
He invented a machine that increased the supply for raw cotton.
-
She built one of the first batteries.
-
He found a way to send signals without a wire.
-
He was the inventor of the telephone.
-
he invented the photograph,light bulb, and electric generation plant.
-
He built an international combustion fueled by energy.
-
Orville and his brother invented the first air plane that was successful.
-
He invented assembly lines.