1. Harley MS 13, ff 124v-128v Reference (shelfmark): Harley MS 13, ff 124v-128v Title: Jordanus de Nemore, De plana spera Scope & Content: Jordanus de Nemore, De plana spera. Decoration: An illuminated initial 'S'(peram) in gold and colours at the beginning of the text (f. 124v). Includes geometrical diagrams of the sphere in the margins (ff. 125v-128v). Collection Area: Western Manuscripts Languages: Latin Date Range: c 1290-c 1310 Extent: 4 folios.
