MS/102/4 | List, 'Some Heads of philosophical inquiry in a voyage to the North Pole', author unknown | 1773 |
MS/102/5 | List of enquiries for a voyage to the North Pole, author unknown | 1773 |
MS/102/6 | List of enquiries for a voyage to the North Pole, by Samuel Horsley | 1773 |
MS/244 | Maskelyne papers | 1769-1807 |
MS/257/2/261 | Letter from John Frederick William Herschel, 2 Orchard Street to [Edward Sabine] | 4 November 1824 |
MS/257/2/262 | Letter from John Frederick William Herschel, 56 Devonshire Street to Edward Sabine, Cavendish Street | 19 June 1825 |
MS/257/4/159 | Letter from Edward Sabine | 19th century |
MS/425/58 | Copy letter, John George Children, Secretary of the Royal Society, to William Croft, Treasurer's Office, Tower of London | 14 March 1832 |
NLB/13/533 | Copy letter from Robert William Frederick Harrison, to Admiral William James LLoyd Wharton, Fellow of the Royal Society | 3 October 1896 |
NLB/16/228 | Copy letter from Robert William Frederick Harrison, to Alexander Galt, Physical Laboratory, The University, Glasgow | 25 February 1898 |
NLB/55/402 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Members of Council | 20 March 1918 |
NLB/55/442 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to The Secretary, Admiralty | 28 March 1918 |
NLB/55/551 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to The Secretary, Admiralty | 31 May 1918 |
NLB/55/904 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to unknown correspondent | 22 October 1918 |
PC/2/1/5 | Poster for a Royal Society conversazione | 11 March 1865 |
PT/17/10 | Paper, 'A short account of some observations made with chronometers in two expeditions sent out by the Admiralty at the recommendation of the Board of Longitude for ascertaining the longitude of Madeira and of Falmouth' in a letter from Dr J L [John Lewis] Tiarks to Thomas Young | [1824] |
PT/18/7 | Paper, 'Account of a series of observations made in the summer of the year 1825 for the purpose of determining the difference of meridians of the Royal Observatories of Greenwich and Paris' by J F W [John Frederick William] Herschel | 2 November 1825 |
PT/18/8 | Observations, 'Observations made at the Royal Observatory at Paris' by L Mathieu | July 1825 |
PT/18/9 | Paper, 'Observations made at the top of the Royal Observatory Greenwich on the rockets at Wrotham [Kent]' by John Frederick William Herschel | July 1825 |
PT/30 | Manuscripts of papers published in Philosophical Transactions, 1846 | October 1844 - July 1846 |