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Eli Whitney's invention of the cotton gin actually changed the face of American agriculture. It lead to the invention of the McCormick Reaper and eventually to many more mechanized agricultural tools.
the reaper and also the steel plow.
The mechanical reaper is an invention by Cyrus McCormick. It was invented to better harvest crops quicker and less time consuming.
someone made from the 1790's to 1830's
a lot
reaper,railroads,telephone,lightbulb...ect
Horse-drawn Reaper
the invention of a steel-tipped plow and a reaper
A mechanical mower-reaper
It could reap (harvest) cotton with the efficiency of five men.
A Reaper is the harvester that McCormick designed.
Cotton gin, Automatic reaper