'PHILOSOPHICAL 
Tranfa£tions : 
GIVING SOME 
ACCOMPT 
OF THE 
Prefent Undertakings, Studies and Labours 
OF THE 
INGENIOUS 
IN MANY 
CONSIDERABLE PARTS 
OF THE 
WO RLD. 
v^l. i v. 
For Anno 1669. 
L O TNI DON 
Printed by T.N. for $ohn Martyn at the Bell, a little without 
Temple* Bar > Printer to the Royal Society , 167©. 
