PHILOSOPHICAL 
TRANSACTIONS, 
GIVING SOME 
ACCOUNT 
OF THE 
; Prefent Undertakings, Studies, and Labours, 
OF THE. 
I N G E N I O U S, 
IN MANY 
Confiderable Parts of the WORLD. 
VOL. LIX. Part II. For the Year 1769. 
LONDON: 
Printed for LOCKYER DAVIS, 
Printer to the Royal Society, 
near Gray s-Inn Gate, in Holbourn, ' ■ 
M.DCC.LXX. 
