PHILOSOPHICAL 
TRANSACTIONS, 
GIVING SOME 
ACCOUNT 
OF THE 
Prefent Undertakings, Studies, a7id Labours, 
OF THE 
INGENIOUS, 
IN MANY 
Confiderable Parts of the WORLD. 
VOL. LVII. PART I. For the Year 1767. 
LONDON: 
Printed for L. Davis and C. Reymers, 
Printers to the Royal Society, 
againft Gray s-Inn Gate , in Holbourn. 
mTdcclxviii. 
