On a Process for preparing economically the Muriate of Morphia. [...] With a Letter from Dr. Christison on its employment in medicine.

8vo, 8 pp.Stitched and disbound. Text clear and complete. Fair, on aged paper, with slight loss from margins of first leaf. Final paragraph sums up the paper: 'Expressing these data in simpler terms, it appears that for twenty shillings the apothecary should receive 295 doses of Battley's solution, 1700 doses of laudanum, and 1840 of muriate of morphia. The muriate of morphia is at once, then, cheaper and more efficacious than any of the preparations of opium now in general use.'