A Hand-book of the Old and the New Pharmacopoeias, Containing Weight and Measure Standards, Working Processes, Working Formulae, the Medicinal Properties and Doses of Drugs and Their Preparations, and Being a Comparison of the 1870 with the 1880 Pharmacopoeia, with Remarks, Suggestions, Original Processes and Formulae, and Other Matter of Interest and Value to Druggists and Physicians