Official and general correspondence on standards. The correspondents include Sir J.F.W. Herschel, Sir J.W. Lubbock, Professor W.H. Miller, W. De La Rue, A. de Morgan and General E. Sabine. The subjects covered include 'distribution of copies of the Accounts of Construction of the National Standards to the countries and institutions to which copies of the standards were sent' and 'payment of expenses for printing the Account of Construction of Standards'. There are printed papers, including extracts from magazines and newspapers; a copy of an Act 'For Regulating Weights and Measures in the Colony of the Cape of Good Hope'; a list of weights, measures and currency in China; a copy of the 'Report of the Commissioners appointed to superintend the construction of new Parliamentary Standards of Length and Weight'; and papers on a decimal system of coinage.