1. Add MS 49099-49100 Reference (shelfmark): Add MS 49099-49100 Title: NAPIER PAPERS. Vols. XIV, XV. Two experiment books, Purfleet; 1782-1783. Fair copies. Brown calf binding. Scope & Content: Gunpowder: Note-books of G. Napier rel. to experiments in its manufacture, etc.,: 1782, 1783. Collection Area: Western Manuscripts Languages: English Date Range: 1782-1783 Extent: 2 items
2. Add MS 49100 Reference (shelfmark): Add MS 49100 Title: Scope & Content: Vol. XV (ff. i+8). 20 Jan.-22 Feb. 1783. Collection Area: Western Manuscripts Languages: English Date Range: 20 Jan 1783-22 Feb 1783 Extent: 1 item
3. Add MS 49099 Reference (shelfmark): Add MS 49099 Title: Scope & Content: Vol. XIV (ff. i+36). 9 Sept. 1782-23 Jan. 1783. Collection Area: Western Manuscripts Languages: English Date Range: 9 Sep 1782-23 Jan 1783 Extent: 1 item