1. Add MS 49093 Reference (shelfmark): Add MS 49093 Title: Scope & Content: Vol. VIII Entitled 'Remarks on Nitre [Saltpetre] 1782', Gunpowder: Notes by G. Napier on saltpetre and composition of gunpowder: 1782. Collection Area: Western Manuscripts Languages: English Date Range: 1782 Extent: 1 item
2. Add MS 49094 Reference (shelfmark): Add MS 49094 Title: Scope & Content: Vol. IX Entitled 'Memorandum relating to powder and its component Parts'; 1782 Gunpowder: Notes by G. Napier on saltpetre and composition of gunpowder: 1782. Collection Area: Western Manuscripts Languages: English Date Range: 1782 Extent: 1 item