Wood, George B. A Treatise on Therapeutics, and Pharmacology or Materia Medica (2 volume set). Philadelphia: J. B. Lippincott & Co., 1856. First Edition. 
Two volume set in full sheep, black leather spine title labels, gilt rules to spines, outer hinges fine with no cracks, light rubbing/wear to bindings, 6 x 9 inches, slight pull top of the spine to vol. i., bindings very good. 1864 signatures of John H. Lesh, University of Pennsylvania, Philadelphia" on the front end papers. xvi., 840; 901 generally clean pp., tight. Some light foxing, a few pages with old small stains/creases. Includes an Index. An exceptionally nice set of the first edition. Very good. Leather bound.
An extensive medical treatise on medicines, plants, and treatments of all kinds.
George Bacon Wood (1787-1879), a native of Cumberland County, NJ, of Quaker stock. He earned his M. D. in 1818, and conducted a successful medical practice in Philadelphia. His teaching career began in 1822 as Professor of Chemistry at the Philadelphia College of Pharmacy, retiring in 1860 from the faculty of the University of Pennsylvania, where he was Professor of the Theory and Practice of Medicine.