1. Talbot Photo 21(49) Reference (shelfmark): Talbot Photo 21(49) Title: [Drawing of a Microscope.] Scope & Content: Drawing in ink of a microscope showing the function of the lenses, notes written in Talbot's hand. Collection Area: Visual Arts Languages: Not applicable Date Range: Unspecified Extent: 1 item
2. Talbot Photo 21(73) Reference (shelfmark): Talbot Photo 21(73) Title: W.H.F. Talbot's Patent No. 1046. Scope & Content: Inscription: Inscribed on recto: 'W.H.F. Talbot's Patent No. 1046'. Handwritten on verso: 'Talbot's Duplicate'. Four hand-coloured diagrams depicting the machinery to Talbot's patent for obtaining motive power. Collection Area: Visual Arts Languages: Not applicable Date Range: After 13 Dec 1852 Extent: 1 item