The Dogana is as seen from the lagoon, outside the entrance to the Grand Canal. In the distance, to the left, the buildings of the Giudecca are seen across a multitude of sailing boats. Before any indication of waves on the lagoon. In the portico of the Dogana, beneath the clock, a white space has been left, resembling a sail.
Dodgson, Campbell. "Continuation of Etchings & Dry Points by Muirhead Bone. I. 1898-1907 : A Catalogue by Campbell Dodgson." Obach & Co., 1909, London.