The London dispensatory, reduced to the practice of the London physicians wherein are contain'd the medicines, both Galenical and chymical, that are now in use ... / by John Pechey ...

Matthew's Pill.

Take of Salt of Tartar prepared with Ni••••e four ounces, of oyl of Turpentine eight ounces, mix them and let them stand in a moist and cold place, eight, nine, or ten months, or more, till the Salt has taken thrice its weight of oyl, and is become one thick Mass like Soap; in the mean time you must stir it often, and add the oyl as it incorporates, Take of this Soap six ounces, of the best Opium two ounces, of black and white Hel∣••bore powdred, and of Liquorice, each two oun∣ces;

mix them exactly, adding as much oyl of Tur∣pentine as is sufficient to make a Mass for Pills▪ which must be kept moist with oyl of Turpentine.

Virtues. This is in general proper to give ease▪ and is proper for pains of the back, for the stone and gravel, and ulcers of the bladder.

Dose. Ten grains of it may be taken at a time.