Numb. 457. 
PHILOSOPHICAL 
TRANSACTIONS. 
GIVING SOME 
ACCOUNT 
OF THE 
Prefent Undertakings, Studies, and Labours, 
O F T H E 
INGENIOUS, 
I N M A N Y 
Confiderable Parts of the WORLD. 
LONDON: 
Printed for T. W o o d w a r d, and C. D A v i s, over- 
agalnfl ; Gray s- Inn- Gate in Holhourn 5 Printers 
to the Royal Society. 1743. 
