Edwardian E’Ware ironstone poultry water trough/feeder

A rare antique “E’ware” poultry feeder or water trough, modelled in heavy white ironstone pottery in the circular form, with a conical hopper feeding four small troughs around the base.  The underside bears an early 20thC black makers transfer roundel - ‘Manufactured by Geo Howson & Sons Ltd. Hanley’.
Dimensions:
20cm Hopper diameter
24cm Base diameter
17.5cm tall
Condition:
Some age related wear and marks from use, but no damage and perfect otherwise.