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Amgueddfa Cymru – Museum Wales
Two sided document entitled - Complete Specification , Improvements in the Construction of Screw Propelled Ships, No 5660. Date of application, 8 March, 1907 - Accepted, 20 June, 1907. Provides details on John Thomas Duncan's invention. Cream paper with black print.
S.S. J. DUNCAN was a British Cargo Steamer of 1,939 tons built in 1905 by Ailsa Shipbuilding Company, Yard No 131 for J Duncan SS Co (John T Duncan, Cardiff, Managers). On the 14 August 1913 she ran aground at Tolpedin, Cornwall when on passage from Penarth to Devonport with a cargo of coal.
