FOURTH FLOOR.
Large mills for crushing, grinding and pulverizing roots, barks, herbs, and other drugs occupy a considerable part of this floor. Extensive drying-rooms, in which articles to be ground in the drug mills are properly dried, are also located upon this floor, as are also thousands of reams of paper ready for printing the different books, pamphlets, labels, etc. In large rooms set aside for that purpose, are stored vast quantities of labels and wrappers, for use in putting up medicines.