Canal till 1973: opposite the villa was located one of the lock (Polish: Śluza II "Grottgera") at the level of Artur Grottger street. During the evacuation
with garrison lodgings: in the same area was standing lock Nr.2 - Polish: Śluza II „Grottgera”- on the old Bydgoszcz Canal (now the plot at the intersection