PHILOSOPHICAL 
TRANSACTIONS, 
$ 
GIVING SOME 
ACCOUNT 
O F T H E 
Prefent Undertakings, Studies, and Labours, 
O F T H E 
INGENIOUS. 
IN MANY 
Confiderable Parts of the WORLD. 
LONDON: 
Printed for C. Davis, Printer to the Royal 
Socie TYj over-againft Gray s-Inn-G ate in Holbourn • 
M. dcc.xlix. 
