Illustrated Italian fencing treatise by Cesare Alberto Blengini, published at Bologna in 1864 and dedicated to General Giacomo Durando. Gelli notes thirty figures and gives an extended biographical notice, while judging the technical value of the work limited. Normalized on 2026-08-08 as the canonical Cesare Alberto Blengini work record for the 1864 Bologna treatise. Duplicate work 521 was merged into work 3204 so that the fuller Bologna imprint witness is preserved on the canonical record.