& 
PHILOSOPHICAL 
TRANSACTIONS, 
GIVING SOME 
ACCOUNT 
O F T H E 
Prefent Undertakings, Studies, and Labours, 
OFT HE 
INGENIOUS. 
IN MANY 
Confiderable Parts of the W- O R L I). 
VOL. XLIX, Part II. For the Year 1756. 
LONDON. 
• • 
Printed for L D a v 1 s and C. R e y m e r s 3 
Printers to the Royal Society, 
againfl: Gray's- Inn Gate , in Holbourn, 
M.DCC.LVIL 
