1. Add MS 46151 X Reference (shelfmark): Add MS 46151 X Title: Scope & Content: (ff. 43). Lecture (un-numbered) [on Trigonometry], with insertions (ff. 1-15) from a printed work on 'Plane Trigonometry'; n.d. (wm 1814). Autograph. Collection Area: Western Manuscripts Languages: English Date Range: [1806-1902] Extent: 1 item