Dot Porter, Curator, Digital Research Services at the University of Pennsylvania Library, presents a video orientation to Ms. Codex 1660, a collection of alchemical recipes for medicinal use. Probably written in France in the second half of the 18th century.
You can read the complete record for this document (and find links to digitized copies) on Franklin. You can also download a copy of this video from ScholarlyCommons, the University of Pennsylvania’s open access institutional repository.