Ms. Description

[John J. Coughlin]

From http://www.levity.com/alchemy/arsnotor.html

Bodleian MS. Digby 218.
109 folios. Parchment. 13th and 14th Centuries.
3. Roger Bacon Opus Minus. f57.
13. [Two folios with diagrams from the Ars Notoria 'tercia figura grammatice', the first and second 'nota dyaletice', and 'prima figura artis rethorice'.]