1. Harley MS 3915, f 1v Reference (shelfmark): Harley MS 3915, f 1v Title: A recipe for making colours: extract from the Mappae clavicula Scope & Content: A recipe for making colours: an extract from the Mappae clavicula, incipit: 'Ad conficiendum cinobrium; Item ad conficiendum lazurium.' Collection Area: Western Manuscripts Languages: Latin Date Range: 13th century Extent: 1 folio.
