Pharmacopoeia Officinalis & Extemporanea. Or, A Complete English Dispensatory John Quincy Published by Thomas Longman, London, 1739. The Eleventh Edition. Full leather binding with gilt title. Tight copy. John Quincy's popular and impressively detailed materia medica. The enlarged and corrected Eleventh edition of this work, which was first published in 1721.Widely used by medical professionals in its day, the work includes discussion of 'the theory of pharmacy', officinal simples and compositions, and 'extemporaneous prescriptions'. The work includes discussion of 'the theory of pharmacy', officinal simples and compositions, and 'extemporaneous prescriptions'.The work of John Quincy, an English apothecary who was skilful in the arrangement and making of drugs in prescriptions. He practiced medicine in London. A tight and attractive item of Quincy's seminal work.