cotton chopper

An implement which is drawn over a drilled row of cotton-plants, and chops gaps in the row so as to leave the plants in bunches or hills. The machine is supported on two wheels, and has a plow to run on each side of the row. Motion is communicated from the rotary axle by bevel-wheels to a revolving head having oblique cutters, which chop gaps in the row of plants as the machine progre es. ( Knight .) cotton-cleaner, s . A machine for separating the dust and dirt from cotton. This is performed by a scutching and blowing action, the tu ocks of cotton being torn asunder and opened, allowing the dirt to fall out. The heavier portions fall through gratings, and the lighter are carried off through air-ducts by means of exhaust-fans. ( Knight .)