Possible Clues:

• Medicinal preparation here consisting of log stuffed with sulphur compounds
• Pharmacist's workplace in a hospital
• Place where medicines are supplied
• Place where medicines are given out
• Boots possibly dressy — pain when moving
• Medical provider putting small scribbles in journal
• Chemist's putting small enclosures in log
• Writer on board covered by log -- get medication here
• Chemist, having supplied sulphur, writes in log-book