1. Lansdowne MS 841/14 Reference (shelfmark): Lansdowne MS 841/14 Title: Scope & Content: 14. R. P. to Dr. Gilbert Sheldon, with some account of Kircher's Ars magna lucis et umbræ, &c. 16 Dec. 1650. fo. 21. See Art. 87. Collection Area: Western Manuscripts Languages: English Date Range: 16 Dec 1650 Extent: 1 item