CONTENTS 
Prospectus , 
Writers on Political Economy , 
0/2 if 0/2, - 
Bleaching of Paper , 
0/2 Foreign Commerce , 
Political Arithmetic , 
Sugar from Beets and Grapes , 
Burning Glasses , 
Z)f. B oilman's Manufacture of Platina , 
Vinegar from Pyroligneous Acid \ 
Cast Iron when hot may be sawed, 
Notice to Correspondents , 
Page?. 
1 
11 
16 
155 
161 
164 
179 
180 
TO BE SOLD, 
The following works by the Editor of the Emporium, 
The opinion delivered by Judge Cooper on the effect of 
sentences in foreign Courts of Vice Admiralty. 
The Institutes of Justinian, with notes. 
Introductory Lecture to a course of Chemistry at Dickin- 
son College, Carlisle, with an Appendix and Notes* 
