1. RP 10885 Reference (shelfmark): RP 10885 Title: Scope & Content: 17th century English manuscript on the natural philosophy of chemical mixtures. Entitled 'Mistu[m]'. 18 leaves, written predominantly in English, a few pages in Latin. Creation date: [c. 1613] Collection Area: Western Manuscripts Languages: English and Latin Date Range: 5 Jan 2017 Extent: 18 colour photocopy sheets