PHILOSOPHICAL
TRANSACTIONS.
Giving ſome
ACCOUNT
OF THE
Preſent Undertakings, Studies and Labours
OF THE
INGENIOUS,
In many
Conſiderable Parts of the World.
VOL. XX. For the Year 1698.
LONDON:
Printed for S. Smith and B. Walford, Printers to the
Royal Society, at the Prince's Arms in St. Paul's
Church-yard.MDCXCIX.
