PHILOSOPHICAL 
TRANSACTIONS. 
GIVING SOME 
ACCOUNT 
O F T H E 
Prefent Undertakings, Studies, and Labours, 
OF THE 
INGENIOUS, 
IN MANY 
Conliderable Parts of the WORLD. 
VOL. XLI. Part n. For the Years 1740 , 1741 . 
L O N T> O N: 
Printed for T. Wood war d, and C. Davis, over- 
againft G ray s- Inn- Gate in Holbourn ; Printers 
to the Royal Society, M.dcc.xliv. 
