(n.)
A water wheel having a vertical axis, and an inner and outer tapering shell, between which are vanes or floats attached usually to both shells, but sometimes only to one.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
(n.)
A water wheel having a vertical axis, and an inner and outer tapering shell, between which are vanes or floats attached usually to both shells, but sometimes only to one.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About