Talk:Addermire Institute/@comment-43588473-20190822182121/@comment-16533050-20190824225755

According to Janitor's Note - Hamilton, Hamilton himself sealed the basement sometime after Hypatia "came into the Duke's good graces". It seems the "Duke" in question would be Luca Abele, which happens after the Crown Killer is created which is sometime around 1849, though the exact date is somewhat ambiguous and could be as early as 1847. That would be about three-to-five years.