1. Harley MS 3915, ff 146v-147r Reference (shelfmark): Harley MS 3915, ff 146v-147r Title: Recipe for making glaze Scope & Content: A recipe for making glaze, incipit 'Ad vitrum laterum faciendum.' Collection Area: Western Manuscripts Languages: Latin Date Range: 1st half of the 13th century Extent: 2 folios.