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■■' ■ : '•■ v»3- . •-■ 
THE 
BRITISH ENCYCLOPEDIA, 
OR 
DICTIONARY 
OF 
AETS AND SCIENCES. 
COMPRISING 
AN ACCURATE AND POPULAR VIEW 
OF THE PRESENT 
IMPROVED STATE OF HUMAN KNOWLEDGE, 
BY WILLIAM NICHOLSON, 
Author and Proprietor of the Philosophical Journal, and .various other Chemical, Philosophical, and 
Mathematical Works, 
