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 ...

Oyls distilled from Herbs and Flowers.

Oyl of Wormwood, in Latin, Oleum Ab∣synthii.

Take of dryed Wormwood one pound, of Foun∣tain water ten quarts▪ infuse them twenty four hours, and distil them in a Copper Limbeck, separate the Oyl from the water in a tunnel, or separating glass; keep the water for a new distillation.

Virtues. It strengthens the stomach stops vomiting, helps digestion, and expels wind.

Dose. Five or ten drops of it may be taken at a time, but you must drop it upon Sugar, if you intend to mix it with any liquor.

The same way may be prepared oyl of Hyssop, Mar∣joram, Mint, Garden Cresses, wild Marjoram, Penny royal, Rosemary, Rue, Savin, Sage, Savory, Thyme, and the like, of the flowers of Cammomile, and of Laven∣der, and from all other hot herbs and flowers; and the same way may be also prepared oyls of the dryed barks of Oranges, Citrons and Lemons.

Oyl of Sulphur by the Bell, in Latin, Ole∣um Sulphuris per Campanum

Provide a great earthen pan, and set in the mid∣dle of it, a little earthen pan turned upside down, and then another such pan on this filled with mel∣ted Sulphur, cover both these pans with a great glass Tunnel made on purpose, with a neck as long as ••hat of a Matrass, and the bigness of a thumb, fire the Sulphur, and do not stop the hole of the Tunnel, but let the air come in to increase its burn∣ng, for it would otherwise go out; when your Sul∣phur is spent, put new in its place, and continue o do so until you find under the lower pan, as much ••pirit as you need; keep it in a viol.

Virtues. So much of it is put into Juleps as to ive them an agreeable acidity, to qualify the heat •• continued fevers, it is also good to force u∣••ne.

Oyl of Turpentine, in Latin, Oleum Te∣rebinthini.

Take of Venice Turpentine as much as you please, common water four times as much; put them ••o an Alembick, and make a convenient fire under em, and a thin white oyl like water will distil,

and at the bottom will remain the Colophony, th•• clear oyl may be drawn commodiously, and fre•• from danger of burning, in a glass still with i•• head in a bath.

Virtues. This Oyl is excellent for cold pains, •• cleanse ulcers, and to recover the natural heat of •• parts when it is decayed, it is also good in gangrea•• and mortifications, and it is excellent for stopping blood in wounds, being applied hot.

Oyl of Wax, in Latin, Oleum Cerae.

Take of yellow wax melted two pounds, mi•• with it three or four pounds of Potters earth powd∣red, or so much as is requisite to make a paste of •• form it into little pellets, and put them into •• earthen retort, or glass one coated, a third whe•• of must remain empty, place the retort in a re••••∣beratory Furnace, fit to it a receiver, and luting •• joints, give a small fire at first, there will come for flegm, then a spirit; increase the fire a little a•• a liquor will distil, that congeals in the receiver 〈◊〉〈◊〉 Butter, continue the fire till nothing more co••∣forth, then unlute the joints, separate the sp•• mixed with flegm from the Butter, and keep i•• a viol well stopt.

Virtues. It opens obstructions.

Dose. Is from ten drops to twenty, melt the B••∣ter of Wax in an earthen pan, and make a paste it with a sufficient quantity of Potters earth po••∣dred, form this past into little pellets, put them •• to a glass retort, set your retort in a sand heat, to it a receiver, and luting the joints, begin •• distellation with a small fire; a great many sp•• will come forth mixed with flegm, after which

••ase it a little, and a clear yellow oyl will come; ving distilled about three ounces of it, change e receiver, for that which comes at last is as thick Butter, it may be rectified with other clay or tters earth, and it will change into as transpa∣nt oyl as the other, separate the Oyl from the Spi∣••, and keep it in a viol.

Virtues. It discusses tumors, and is good for cold ••ins.