1 =Photo of World War I Italian howitzer Obice da 305/17 su affusto De Stefano with De Stefano mount, on a siege carriage with pedrail wheels. The howitzer was captured by Austrian troops near Udine. The photo was taken by Czech photographer Jindřich Bišický (February 11, 1889 - October 31, 1949]]. (The autor was identified only in 2009. ) Details about the gun model: , details about the mount and carriage: . Another photo from different angle: .