Fig. 5From: A copper alloy light cannon from Grodno: an example of early firearms from Eastern EuropeEarly cannons in Russian collections: 1 mortira from Stary Krym, Crimea, Military-Historical Museum of Artillery, Engineers and Signal Corps, St. Petersburg, inv. No. 9/7; 2 “tyufyak” from Ržev, Tver State United Museum, Tver. After ([31], p. 229, Fig. 6). Afterdrawing G. ŻabińskiBack to article page