Philosophical
Transactions
Giving Some
Account
Of The
Preſent Undertakings Studies and Labours
OF THE
Ingenious,
In Many
Conſiderable Parts of the WORLD
VOL. XXX. For the Years 1717. 1718. 1719.
LONDON:
Printed for W. and J. INNYs, at the Princés-Arms,
at the Weſt Corner of St. Paul's Church-Yard.
M DCC XX.
