Book of underwater archeology.Comprehensive study on: stone anchors, lithic logs, lead logs, iron anchors, soundings, cargo of the ships, Amphorae, oil lamps, ancient ships, construction techniques, most common models of ships, warships, bilge pumps, ports, coins, ancient trade routes, currents, navigations, routes, beliefs and religions, origins and underwater study, findings, studies and conservation, intervention, operation of the sip, Naves Onerariae, curiosities about the reproduction...