AP/7/25 | Unpublished letter, regarding Charles Wildbore's paper from [Nevil] Maskelyne to Sir Joseph Banks | 12 July 1788 |
AP/11/5/6 | Unpublished letter, regarding observations with invariable pendulum from Tho [Thomas] Brisbane to Capt [Henry] Kater | 6 November 1824 |
AP/16/24 | Unpublished appendix, regarding quadrature of lunes and circles by Jean Lobatschevsky | 1835 |
AP/19/1 | Unpublished observations, 'Hygrometrical observation made on board His Majesty's Surveying Vessel Etna' by unknown author | 1835 |
AP/30/19 | Unpublished paper, 'A statement of the working of compasses on board the honourable East India Company's iron steamer Pluto, from September 1841, on her passage from England to China, and during her service in those seas, until her arrival at Calcutta [Kolkata, India] in January 1843' by John Tudor | 1848 |
AP/30/19/1 | Unpublished manuscript, 'A statement of the working of compasses on board the honourable East India Company's iron steamer Pluto, from September 1841, on her passage from England to China, and during her service in those seas, until her arrival at Calcutta [Kolkata, India] in January 1843' by John Tudor | 1848 |
CB/1/1/99 | Letter from Sir Joseph Banks, Soho Square to Charles Blagden, Belmont, Bath | 6 March 1784 |
CB/1/1/154 | Letter from Sir Joseph Banks, Soho Square to Charles Blagden | 16 January 1819 |
CB/1/1/156 | Letter from Sir Joseph Banks, Soho Square to Charles Blagden | [19] June 1819 |
CB/1/1/164 | Letter from Sir Joseph Banks to Charles Blagden | 3 November 1819 |
CB/1/1/209 | Draft receipt by Berge, London | 1816 |
CB/1/1/261 | Letter from Jean-Baptiste Biot to Charles Blagden | 23 May 1806 |
CB/1/2/17 | Draft of a letter from Charles Blagden to [British Ambassador at Paris] | nd |
CB/1/4/54 | Letter from Davies Gilbert, 27 Gower Street to Charles Blagden, Paris | 15 February 1819 |
CB/1/4/229 | Draft of a letter from Charles Blagden to Pierre Simon, Marquis de Laplace, Paris | 6 April 1811 |
CB/4/6/4 | Scientific papers collected by Charles Blagden | 1818-1819 |
CLP/9ii/14 | Paper, 'Observations of the variation of the compass in the western and Atlantick Ocean' by John Maxwell | [1706] |
CMB/1/4/9 | Minutes of a meeting of the Committee for considering the state of the Meteorological Instruments | June 1826 |
CMB/1/13 | Minutes, Optical Glass Committee | May 1824 to December 1828 |
CMB/1/13/1 | Minutes of a Committee of the Royal Society appointed to meet the Resident Members of the Board of Longitude upon the subject of Improvements in Glass for optical purposes | 20 May 1824 |