November 1876 the first 100-ton gun for the Italian Duilio-class battleship
In November 1876 the first 100-ton gun for the Italian Duilio-class battleships was tested at Muggiano near La Spezia. This illustration of the gun named “Margherita” was featured in the November 12, 1876 issue of the L’Illustrazione Italiana. This picture was on page 373, with an article on page 374. The illustrator is not mentioned, but there is both a set of initials and a signature that reads something like “Canedi”. Via Wikimedia Commons