In this organization a dual system operated the Lord High Admiral (from 1546) then Commissioners of the Admiralty (from 1628) exercised the function of general control (military administration) of the Navy and they were usually responsible for the conduct of any war, while the actual supply lines, support and services were managed by four principal officers, namely, the Treasurer, Comptroller, Surveyor and Clerk of the Acts, responsible individually for finance, supervision of accounts, Shipbuilding and maintenance of ships, and record of business. These principal officers came to be known as the Navy Board responsible for 'civil administration' of the navy, from 1546 to 1832.