PHILOSOPHICAL 
TRANSACTIONS, 
GIVING SOME 
ACCOUNT 
O F T H E 
Prefent Undertakings, Studies, and Labours, 
OF THE 
INGENIOUS. 
IN MANY 
Confiderable Parts of the W O R L D. 
LONDON: 
Printed for C. Davis, Printer to the Royal 
Society, over-againft Gray’s- Inn-Gate in Holbourn* 
M.DCC.LI. 
