PHILOSOPHICAL 
TRANSACTIONS, 
GIVING SOME 
ACCOUNT 
OF T FI E 
Prefent Undertakings, Studies, and Labours, 
O F T H E 
INGENIOUS, 
IN MANY 
Confiderable Parts of the W O R L D. 
L O N <D O N: 
Printed for L. Davis and C. R e y m e- r «, 
Printers to the Royal Society, 
againft Gray' s-Inn Gate , in Holbourn. 
M.DCC.LXI. 
