learned Bishop has given Directions to pre∣pare it in a very simple Manner, probably with the Intention that it might be equally serviceable to the Poor and Rich, yet I think few Reasons can be assign'd, why the Rich may not be supplied with a mose neat and certainly a more efficacious Re∣medy; especially, since the Price, even then, will not much exceed the present Rate, as I shall endeavour to prove.
Norway Tar, as it is now imported, is unquestionably the best for this most noble Medicine, as being endowed with the most fragrant and subtile Parts, beyond other Tars, which is evident by its Smell, and by its Taste, as being least acrimonious; and it has been proved by several ingenious Chemists, that it partakes least of that heat∣ing sulphurous Property, which abounds in all these Balsams, either more or less.
Common Tar, or Tar from hot Climates, is not so well Saturated with this fine vola∣tile aromatic Flavour. This, perhaps, in some Measure, may be owing to the In∣fluence of the Sun, which exhales all the finest Parts, except those that are closely connected, and suppress'd by the viscid Juices of the Trees; whereas in colder Re∣gions, the Pores of the Trees are more