Improvements in the construction of feeding devices for stone mills. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the construction of feeding devices for stone mills, characterized essentially by establishing a receiving deposit of the stone to grind, which is endowed with movable bottom and static side walls, being the movement of the platform constituting the bottom, rectilinear alternative to opposite senses. (Machine-translation by Google Translate, not legally binding)