1. Add MS 88942/4/1/7 Reference (shelfmark): Add MS 88942/4/1/7 Title: Talbot: Material concerning photoglyphic patents Scope & Content: ‘William Henry Fox Talbot.’ (21 March, 1861) and (19 April, 1865). Patent 875 for ‘Improvements in the Art of Engraving. Patent document has a large wax seal in a metal tin attached. National Trust Accession: 33624. Collection Area: Western Manuscripts Languages: English Date Range: 1861-1865 Extent: 1 file