1. Lansdowne MS 763, ff 89 Reference (shelfmark): Lansdowne MS 763, ff 89 Title: 13. "Declaracio trianguli superius positi et figure de tribus primis figuris quadratis et earum speciebus ac etiam scuti, per Magistrum Johannem Torkesey." Inc. "Ad habendam perfectam noticiam." fo. 89. Collection Area: Western Manuscripts Languages: English Date Range: 15th century Extent: 1 item
