Williamson Chamber, 1914 Trieste, world record, 1960: 10,700m	Klingert, mid-depth, 1772 Galeazzi, great depths	Nautilus, first US atomic submarine Fulton's Nautilus, 1800
pearl diver SCUBA diver		Cousteau's Diving Saucer 300m, 1958 (left): Galeazzi bell , 600m, 1960
deep Musee Oceanographique de Monaco - 1963 (right): Alexander the Great's bell 356-323BC Beebe's Bathysphere, 1937		diving LA PLONGEE SOUS-MARINE A CINQ MILLE ANS BLO fecit 20030329