1. Add MS 88942/4/1/4 Reference (shelfmark): Add MS 88942/4/1/4 Title: Talbot: Material concerning photographic patents Scope & Content: ‘Specification of William Henry Fox Talbot Esqre for ‘Improvements in Photography’.’ (12 December, 1851). Patent 495. National Trust Accession: 36033. Collection Area: Western Manuscripts Languages: English Date Range: 1851 Extent: 1 file