It contains 31,000 items in its collection .
The Whitworth Art Gallery houses collections of internationally famous British watercolours , textiles and wallpapers , modern and historic prints , drawings , paintings and sculpture .
Whitworth Art Gallery contains 31,000 items in Whitworth Art Gallery 's collection .
The Whitworth Art Gallery houses collections of internationally famous British watercolours , textiles and wallpapers , modern and historic prints , drawings , paintings and sculpture .