PT/9/2/1 | Manuscript, 'Description of a new instrument for performing mechanically the involution and evolution of numbers' by Peter M [Mark] Roget | [1814] |
PT/9/2/2 | Plate, four graduated scales by unknown artist | [1814] |
PT/9/2/3 | Plate, circular graduated scale by unknown artist | [1814] |
PT/9/2/4 | Plate, series of roots, powers, and exponents by unknown artist | [1814] |
PT/9/14 | Paper, 'Further analytical experiments relative to the constitution of the prussic, of the ferruretted chyazic, and of the sulphuretted chyazic acids; and to that of their salts, together with the application of the atomic theory to the analysis of these bodies' by Robert Porrett | 22 February 1815 |
PT/9/15 | Paper, 'On the nature and combinations of a newly discovered vegetable acid with observations on the malic acid and suggestions on the state in which acids may have previously existed in vegetables' by M Donovan | [1815] |
PT/9/21 | Paper, 'On the dispersive power of the atmosphere, and its effect on astronomical observations' by Stephen Lee | [1815] |
PT/9/23 | Paper, 'An essay towards the calculus of functions' by C [Charles] Babbage | [1815] |
PT/10/11 | Paper, 'An essay towards the calculus of functions, Part II' by C [Charles] Babbage | 8 January 1816 |
PT/10/14 | Paper, 'On the cutting diamond' by Wm [William] H [Hyde] Wollaston | [1816] |
PT/10/15 | Paper, 'An account of the discovery of a mass of native iron in Brasil [Brazil]' by A F [Aristides Franklin] Mornay in a letter to Wm [William] H [Hyde] Wollaston | 27 April 1816 |
PT/10/16 | Paper, 'Observations and experiments on the mass of native iron found in Brasil [Brazil]' by Wm [William] H [Hyde] Wollaston | [1816] |
PT/10/24 | Paper, 'A new demonstration of the binomial theorem' by Thos [Thomas] Knight | [1816] |
PT/12/18 | Paper, 'New experimental researches on some of the leading doctrines of caloric particularly on the relation between the elasticity, temperature, and latent heat of different vapours and on thermometric admeasurement and capacity' by Andrew Ure | July 1817 |
PT/12/18/1 | Manuscript, 'New experimental researches on some of the leading doctrines of caloric particularly on the relation between the elasticity, temperature, and latent heat of different vapours and on thermometric admeasurement and capacity' by Andrew Ure | July 1817 |
PT/12/18/2 | Plate, diagrams of modified barometers by unknown artist | July 1817 |
PT/12/22 | Paper, 'Description of an acid principle prepared from the lithic or uric acid' by Wm [William] Prout | [1818] |
PT/14/9 | Paper, 'On the methods of cutting rock crystal for micrometers' by Wm [William] Hyde Wollaston | [1820] |
PT/14/24 | Paper, 'On sounds inaudible by certain ears' by Wm [William] H [Hyde] Wollaston | [1820] |
PT/15/2 | Paper, 'On the magnetic phenomena produced by electricity' in a letter from Sir H [Humphry] Davy to W H [William Hyde] Wollaston | 12 November 1820 |