Benjamin Okell

• Patent of Benjamin Okell
• An abstract of the patent granted by His Majesty King George, to Benj. Okell, the inventor of a medicine, call'd, Dr. Bateman's pectoral drops, and to J. Cluer, R. Raikes and W. Dicey, the persons concerned with the said inventor, that they may enjoy the
• Short Treatise of the Virtues of Dr. Bateman's Pectoral Drops