1. Add MS 88942/4/1/17 Reference (shelfmark): Add MS 88942/4/1/17 Title: Talbot: Material concerning other patents Scope & Content: ‘W. H. F. Talbot. Invention.’ (9 September, 1840). ‘Improvements in producing or obtaining Motive Power.’ National Trust Accession: 23175. Collection Area: Western Manuscripts Languages: English Date Range: 1840 Extent: 1 file