The mechanical reaper was invented by Cyrus McCormick in 1831. This machine was used by farmers to harvest crops mechanically. For hundreds of years, farmers and field workers had to harvest crops by hand using a blade or other methods.
"This machine is the most useful thing I ever created!" Cyrus McCormick, Creator of the machine.
"This machine will totally help us earning crops faster than ever." Robert McCormick, Designer of the machine.