Dated 1830 by Gelli; Thimm grouped it with Alcune idee su la scherma. Separated and cross-referenced in phase 50.
Quality phase 397: reclassified from printed treatise to autograph manuscript. Gelli and Thimm describe an octavo, unpaginated witness dated 1830 with 180 pen drawings; Thimm records its historical passage from Blasco Florio’s collection to the University Library of Catania.