Correspondence and statements regarding the estimates and actual expenditure for the Royal Greenwich Observatory and Nautical Almanac Office, including financial liability statements; Navy Estimates; annual statements of salaries and wages chargeable to vote 6; annual estimates for major works chargeable to vote 10; annual statements for the R.G.O. salaries, wages and allowances chargeable to vote 6A; instruments chargeable to vote 6B; and correspondence with the Hydrographer regarding Admiralty expenditure for research and development.