Peter Holt No description specified. 1-4 (4 Records) Documents The A7 Project - An investigation of HM Submarine A7 (2015) An Archaeological Investigation Of The Submarine Resurgam (2018) The Search for Vasco da Gama’s Lost Ships - Esmeralda and São Pedro (2018) The Stray Finds Project - Recording Lost Artefacts from Plymouth Sound (2013)