Speculations about Mona Lisa he had had no access to the actual painting, said that after "every laboratory test possible" in 2004 and 2009 that "no inscriptions, letters or numbers, were discovered during the tests." and that "The ageing of the painting on wood has caused a great number of cracks to appear in the paint, which have caused a number of shapes to appear that have often been subject to over-interpretation". Speculations about Mona Lisa The 16th-century portrait Mona Lisa, or "La Gioconda" ("La Joconde"), painted in oil on a poplar panel by Leonardo da Vinci, has been the subject of a considerable
Italian submarine Leonardo da Vinci (1939) Atlantic. With Italy’s entry into World War II in June 1940 "Leonardo da Vinci" was dispatched to the Atlantic to Bordeaux in occupied France to serve in the Italian submarine flotilla there, BETASOM. She arrived October 1940 after a successful transit of the Straits of Gibraltar, scene of a number of Axis submarine losses. "Leonardo da Vinci" carried out 11 war patrols, sinking 17 ships of 120,243 GRT, which included the 21,500-ton ocean liner . "Leonardo da Vinci" was Italy's most successful submarine in World War II, and her captain, Lt. Gianfranco Gazzana-Priaroggia, Italy's leading submarine ace. In July 1942