PHILOSOPHICAL 
TRANSACTIONS, 
| GIVING SOME 
ACCOUNT 
0 F T H E 
Prefent Undertakings, Studies, and Labours, 
OF THE 
INGENIOUS. 
1 N M A N Y 
Confiderable Parts of the W O R L D 
VOL. XLIV. Part II. For the Year 1747. 
A 
LONDON: 
Printed for C. Davis, over-againft Gray s Inn- Gat t 
in Holbourn'-, Printer to the' Roy al Society. 
M. DCC. XL VIII. 
