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) Italian submarine Leonardo da Vinci (1939) Leonardo da Vinci was a of the Italian navy during World War II. It operated in the Atlantic from September 1940 until its loss in May 1943, and became the top scoring non-German submarine of the entire war. "Leonardo da Vinci" was built at the CRDA shipyard in Monfalcone, near Trieste, Italy’s leading submarine builder. One of six boats of the "Marconi" class, which were laid down in 1938-39, "Leonardo da Vinci" was launched in September 1939. Designed as an ocean-going vessel, she was intended for operations both in the Mediterranean and in the