A memorandum recording instructions from the Duke of Atholl to Governor Cochrane regarding fortifications (Castle Rushen, Douglas, Ramsey, Peel, and Derby forts), financial matters (receipt of £4186, coinage orders), administrative appointments (naturalisations, officers), and legal proceedings (appeals commission, Crebbin v. Taubman case). Documents the Duke's direct governance of the Isle of Man prior to the 1765 Revestment.