Box containing 12 folders with one hundred and ten plans and technical data for 'HMS Graph' (ER9011), five Turkish submarines, four submarines, submarines with yard numbers 415-420, 430-432, 452-53 and E & G class submarines 8-13, the German submarine 3017, 'Rangatira' (yard number 670), 'Awatea' (yard number 702), 'Orcades' (yard number 950), 'Himalaya' (yard number 951), 'TSS Chusan' and yard numbers 948-949.