 Although partially intended to correct the problems of the ships built to the earlier Establishments, the ships of the 1745 Establishment proved just as unsatisfactory, and important changes in the make-up of the Admiralty and Navy Boards finally led to the end of the establishment era by around 1751.When the 1706 Establishment had come into effect, British naval architecture had been set on a path of conservatism that caused stagnation in the advance of shipbuilding in Great Britain.Over the course of the existence of the 1706 and 1719 Establishments, the sizes of ships had remained relatively unchanged