The Book of Accounts of the Revd Nevil Maskelyne, Astronomer Royal (Dates added in pencil 1770-1785, but actually begins 1765). It covers list of people/ institutions with financial dealings such as Board of Longitude; Board of Longitude payments to computers; Rev William Maskelyne, Gosling & Clive (bankers), purchase of India bonds; purchase of India bonds for self via Lord Clive and interest received; recieved salary at Ordnance; received pension at the Exchequer; received profits of Fellowship at Trinity College, Cambridge; profits of Nevil's estate at Purton Stoke in the county of Wiltshire; Accounts with the Bishop of Agria in Hungary relating to provision of astronomical instruments.