‘Theory of Parallels.’ (21 January, 1856). National Trust Accession: 26778. Mathematical notes, (13 May, 1872) to (15 November, 1874). 45 pages of text and diagrams. NTA: 37180. Mathematical note, (undated). Eight pages of text and diagrams. NTA: 37182. Mathematical note, (29 July, 1876). 10 ...
Note, (13-14 October). Nine pages of text. National Trust Accession: 31061. ‘199. Sumila.’ (8 December, circa 1865). Pages 1-9 plus two additional fragments. With faint printer's stamp. NTA: 31080. Note, (13 November, 1868). Handwritten on reverse ‘G. Smith Nov 13/68.’ NTA: 31254. ‘(A) Severa...
‘W. H. F. Talbot. Invention.’ (30 May, 1843). Patent for Talbot’s ‘Improvements in Photography.’ Patent document has a large wax seal attached. National Trust Accession: 36034.
‘W. H. F. Talbot. Invention.’ (1 March, 1845). ‘Improvements in obtaining Motive Power and in the Application of Motive Power to Railways.’ Patent document has a large wax seal attached. National Trust Accession: 33606.
‘Agenda des Gens d’Affaires, ou Tablettes.’ (1825). Lady Elisabeth Feilding’s diary, red patterned leather with internal pocket, fastened by pencil holder, with pencil. National Trust Accession: 35708.
‘Agenda ou Tablettes de Poche.’ (1826). Lady Elisabeth Feilding’s diary, red patterned leather with internal pocket, fastened by pencil holder, with pencil. National Trust Accession: 35709.
‘Agenda ou Tablettes de Poche.’ (1827). Lady Elisabeth Feildings’s diary, green patterned leather with internal pocket, fastened by pencil holder, with pencil. National Trust Accession: 35711.
‘Agenda ou Tablettes de Poche.’ (1828). Lady Elisabeth Feilding’s diary, red patterned leather with internal pocket, fastened by pencil holder, with pencil. National Trust Accession: 35712.
‘Agenda ou Tablettes de Poche.’ (1829). Lady Elisabeth Feilding’s diary, brown patterned leather with internal pocket, fastened by pencil holder, with pencil. National Trust Accession: 35713.