= and the fame Quantity of Frankincenfe,. Melt 
“viii INTRODUCTION. 
which are to be put into a Quart of Olive Oik 
and boiled till they are crifp, and the Oil is to 
be then ftrained off: 7 —_ 
3. What is called the Green Qil, is thus made; 
bruife ina marble Mortar, three Ounces of green __ 
~Chamomile, with the fame Quantity of Bay 
Leaves, Sea Wormwood, Rue, and Sweet Mar-— 
joram; then boil them in a Quart of Oil of 
Olives, till they are a little crifp. The Oil is 
eo to-be poured off, and when cold put up for 
_ Thef Oils are ufed to rib the Limbs when 
there is Pain and Swellings; their Virtues will be 
found at large, under the feveral Herbs which 
are the principal Ingredients: And after one or, 
_ other of thefe ‘Methods, may be-made the Oil 
by Infufion, or by boiling of ary Plant, or of. 
any Number of Plants of like Virtue. = 
Laftly, tho’ Herbs are now left out of the Com-_ 
pofition of Plaifters, even the Melelot being now 
made without the Herb from which it was firft ~ 
named: It may be proper to.add the Way of — 
preparing a few that are moft ufeful, and ought — 
1. The-Common Plaifter is thus made; boil 
- together a Gallon of Oil, five Pounds of powder- 
ed Litharge, and a Quart and four Ounces of 
Water. When-the Water is boiled away, the 
reft will be united into a Plaifter, but it muft be 
_ ftirred all the Time: This ufed to be called Dia-- 
chylon. To make Diachylon with the Gums, add 
to. Pound of the laft defcribed, two Ounces of 
Galbanum, and an Ounce of common Turpentine, 
_ them all together, the Gums firtt then add. 
