Απ' ό,τι φαίνεται, πρόκειται περί αυτού εδώ του "ποταμόπλοιου":
http://www.burchiello.org/en/index.htm
In ancient times, Padua and Venice were connected by typical river boats, called Burchielli.
The Burchiello was a wooden boat to carry passengers, with an elegant cabin, decorated with...