Faculty who use any considerable Quantity. To prevent it's escape
and loss, a small Quantity of Water is put into each Phial, which
should be kept with the Cork downwards, by which Means the AETHER
is prevented, by the interposition of the Water, from evaporating.



The Publisher has also appointed it to be sold by Mr. _R. Board_,
Chemist and Druggist, in _Grace-church-street_; and Mr. _J. Wilkie_,
Bookseller, at the Bible in St. _Paul's_ Churchyard, LONDON:
and Mr. _Peter Wilson_, Bookseller, in _Dame-street_, DUBLIN.