Assertion: manuscript | /r/HasProperty | detected with ultraviolet light
Facets:
value: on folio 1r of the book
type: LOCATION
Source sentences:
text: It is known for certain that the manuscript was owned by Rudolf’s court chemist and pharmacist Jacobus Horcicky de Tepenec, who left his signature (detected with ultraviolet light) on folio 1r of the book.