Ring-worms
August 9th, 2017
Rub mercurial ointment on the ring-worm previous to going to bed, and do not wash it off till morning. It will effect a cure if persevered in; sometimes in less than a week.
Source: Directions for Cookery, in its Various Branches, Eliza Leslie
For a Felon
July 9th, 2016
Spread strong mercurial ointment on a linen cloth and apply when the sore first appears.
Source: 76: A Cook Book