Correspondence with tradesmen, including letters from bookbinders; glassmakers; booksellers; chemists; coal merchants; oil refiners; stationers; printers; potters; and gas companies. The correspondents include A.L. Busch, C. Brooke, W. Shanks and T. Walter. The volume includes a price sheet from the Birmingham Plate Glass Company; a map of England and Wales to be used to illustrate meteorological recordings; two plans from C. Shepherd of parts of the clock proposed to be placed outside the Royal Observatory for use by the public; a circular advertising a quarterly series of Scientific Memoirs edited by A. Henfrey, T.H. Huxley, J. Tyndall and J. Francis; a prospectus advertising Thomas Walker's Patent 'Self-Feeding Phoenix Stoves'; and two diagrams of ornamental cases of unspecified use.