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2 
‘JOURNAL OF SCIBNCE, 
. AND ARTS. eo 
t 
‘ Tim mothy D. Porter. Colum 
SMERICEN . = + Say ee 
aia a 
meee CONDUCTED BY ~ See : 
BENJAMIN SILLIMAN, nba a 
PROFESSOR OF CHEMISTRY, MINERALOGY, ETC. IN YALE COLLEGE ; CORRES” 
PONDING MEMBER OF THE SOCIETY OF ARTS, MANUFACTURES AND COM. 
MERCE OF LONDON, MEMBER OF THE ROYAL MINERALOGICAL 
SOCIETY OF DRESDEN, AND ig VARIOUS LITERARY AND oni an 
SCIENTIFIC uigecne IN AMERICA 
VOL. IT.....No. 2.....Novemper, 1820. ; = “ 
ENTIRE NUMBER, VI- 
mee A 
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tit 
NEW-HAVEN: 
PRINTED AND PUBLISHED BY 8. CONVERSE, FOR THE EDITOR. 
Sold by the greed and Howe & Spalding, New- Seca: Samuel G. 
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el, Maine; A. T. Goodrich & Co. New- . Littell and Henry. 
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ae 
