In September 2020 over the course of eight dives I raised the three 56 lb (25.4 kg) bronze weights in this photo from the wreck of the Schiedam, a Dutch-built ship of some 400 tons that was ‘cast away’ near Gunwalloe off the west coast of the Lizard Peninsula on 4 April 1684. The wreck was discovered in 1971 by Anthony Randall, designated under the 1973 Protection of Wrecks Act and since 2016 has been investigated under my direction and that of Mark Milburn, the current Licensees from Historic England for the site …