PHILOSOPHICA L 
TRANSACTIONS^ 
GIVING SOME 
ACCOUNT 
OF THE 
Prefent Undertakings, Studies, and Labours, 
O F T H E 
I N G E N I O US, 
IN MANY 
CONSIDERABLE PARTS OF THE WORLD. 
VOL. LXV. For the Year 1775. 
PART L 
LONDON, 
PRINTED BY W. BOWYER AND J. NICHOLS : 
FOR LOCKYER DAVIS, IN HOLBOURN, 
PRINTER TO THE ROYAL SOCIETY# 
MDCCLXXV. 
