THE 
EDINBURGH 
\ \ \ 
PHILOSOPHICAL JOURNAL, 
EXHIBITING A VIEW OP 
THE PROGRESS OF DISCOVERY IN NATURAL PHILOSOPHY, 
CHEMISTRY, NATURAL HISTORY, PRACTICAL MECHANICS, 
GEOGRAPHY, NAVKiATION, STATISTICS, AND THE FINE 
AND USEFUL ARTS, 
FROM 
OCTOBER 1. 1820, to APRIL 1. 1821. 
CONDUCTED BY 
Db BREWSTER and Pkofessor JAMESON. 
TO BE CONTINUED QUARTERLY. 
'A 
VOL, IV. s-u 'i i. 
A - 
EDINBURG. ' 
PRINTED FOR ARCHIBALD CONSTABLE AND COMPANY. 
1821 
