Sketch of the eclipse of the sun, 1820; handwritten "explanation of plate"; sketches including grain worms, root worms, dust brands of wheat; title jacket for "Prospectus Operis Botanici" by Joseph Plenck (1788); short note describing Bauer's sketch of 2 December 1829.

Researches in Solar Physics by Warren de la Rue FRS, Balfour Stewart FRS and B Loewry.

Kew Observatory Sunspot measurements from 24 January 1864 to 9 April 1872.

Miscellaneous papers of Warren de la Rue on sun spots.

'Analysis of language, and the symbols of the worship of the Sun' by John Skinner, author's holograph MS. Profusely illustrated with pen- and wash-drawings of Egyptian and other antiquities, etc, c 1830.

Papers of Professor Raphael Meldola, [1866-1907], comprising notes on experiments in qualitative analysis at the Royal College of Chemistry, [1866]; physical lectures by Dr Tyndall, [1867]; course on physics by Dr Guthrie, 1873; notes as a Demonstrator at Science Schools, 1877-1878; research notes, 1879, 1900; diary of eclipse expedition, 1875; lecture notes on organic chemistry, 1885-1890, including coal tar products, 1890; laboratory notes, 1904-1906; correspondence concerning the portrait fund for Sir John Evans, 1899-1900; Perkin Memorial Fund, 1906-1907, including letters from several German chemists; correspondence about a Maccabeans Dinner, 1905; general correspondence, 1862-1915; correspondence concerning a memorial for Herbert Spencer, 1904-1908; and a memorial for James Sylvester, 1897-1900; correspondence on the subject of thinnings in Epping Forest, 1894-1895; a scientific autograph collection, 1864-1907; plus additional autographs and press cuttings 1889-1915.

Papers of Professor Alfred Fowler, 1903-1935, including observations on the sun, 1903-1910; laboratory notebooks, 1906-1913; telescope design, 1906-1910; miscellaneous correspondence, 1916-1935.