Note 2565 — Chapter LXV
Reading edition
Wolfenbüttel 2189, 15th century, fols. 174-5, Quedam experimenta Parisiis probata. Wolfenbüttel 2503, 15th century, fols. 271-82, Experimenta collecta a magistris Parisiensibus collaudata et primo de pulveribus/Explicit hoc opus laudabile collectum Parisius circa annos Domini 1331 approbatum per diversos doctores eiusdem alme universitatis.