I 
If 
PHILOSOPHICAL 
TRANSACTIONS. 
Giving Some 
ACCOUNT 
O F T H E 
Trefent %)ndertahings^ Studies and Labours 
OF THE 
INGENIOUS. 
In Many 
Confiderable Parts of the WORLD 
VOL; XXX. For the Years 1717. 1718. 1719. 
L 6 T> 0 N: 
Printed for W. and J. I n n y s, at the Trinces-Arms^ 
at the Weft Corner of St. P^z//’s Church -Yard. 
MDGC XX. 
