1832 - brothers Jacob and Joseph d'Aguilar Samuda, engineers, entered into the partnership, originally building marine engines. 1839 - undertook two experiments based on Clegg's atmospheric railway then, subsequently patented the Atmospheric Railway. 1843 - started ship building at Orchard Place, Leamouth, London by the mouth of Bow Creek. 1844 - Jacob Samuda died on a trial voyage of Gipsy Queen. 1852 - moved to Cubitt Town, Isle of Dogs, London. 1856 - built HMS Thunderbolt. 1885 - Joseph died. Unsuccessful attempts were made to sell the firm as a going concern. 1893 - the firm closed after losing contracts to northern shipyards.