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 battleship Leonardo da Vinci oil and coal. Designed to reach a maximum speed of from , "Leonardo da Vinci" failed to reach this goal on her sea trials, despite generally exceeding the rated power of her turbines. The ship only made a maximum speed of using . The ship could store a maximum of of coal and of oil that gave her a range of at , and at . "Leonardo da Vinci"s main armament consisted of thirteen 46-caliber 305-millimeter guns, in five gun turrets. The turrets were arranged all on the centerline, with a twin-gun turret superfiring over a triple-gun turret in fore