Around the same time, Ferdinando Leopoldo Del Migliore wrote that Spina was a Florentine, then in 1684 he too made forgeries to attribute the invention of spectacles to fellow Florentine Salvino D'Armati. The myth of Salvino, inventor of glasses, was transmitted until the 20th century. It was not until 1920 that the manufacture of this fake was revealed by the philologist Isidoro del Lungo.
