By approximately how much did Whitney's cotton gin increase processing speed compared to manual cleaning?

Answer

Equivalent to 600 hours of hand labor in one hour of machine time.

The efficiency contrast was staggering, with machine time sometimes cited as equivalent to 600 hours of hand labor performed in just one hour of machine time.

By approximately how much did Whitney's cotton gin increase processing speed compared to manual cleaning?
inventionmachineagriculturecotton