THE 
EMPORIUM 
OP 
ARTS AND SCIENCES* 
VoL. IL] December, 1813* [No. L 
AN ACCOUNT OF THE STEAM ENGINE. 
For the purposes of this article, I have consulted the 
following essays. 
1st. The articles steam, and steam engine, in tlie old 
Edinburgh Encyclopedia, republished in this country by 
Dobson. I believe these articles were drawn up by Pro- 
fessor Robison, of Edinburgh, and are well executed. As 
this work is common in America, I have not chosen to 
copy these articles, but I earnestly recommend them to 
the careful (not the perusal^ but) study of the reader who 
wishes to become acquainted with this subject. In study- 
ing these articles j care must be taken to refa* to the addi- 
tions made in the supplement to that Encyclopedia, under 
the head of „ Steam engine*’’ 
2dly. An account of steam engines, by Olinthus Gre- 
gory, the compiler of Gregory's Encyclopedia, a work 
for the most part too brief and superficial to communi- 
cate valuable knowledge : but the mechanical articles are 
tolerably well executed, it being a subject to which he 
had much attended. The account of steam engines is 
extracted from his treatise on mechanics, theoretical, prac- 
tical and descriptive. Second edition, 1807. The ard- 
VoL IL A 
