6 MACHINE FOR MAKING BLUE MASS, 
ART. III. — REPORT TO THE COLLEGE OF PHARMACY ON A 
MACHINE FOR MAKING MERCURIAL PILL MASS, INVENT- 
ED BY J. W. W. GORDON, of Baltimore. Read and adopted at the 
Pharmaceutical meeting held December 18th, 1848. 
In order to make the report of the Committee intelligible, 
we have had prepared a wood cut representing the appara- 
tus of 'Mr. Gordon, and append a short description of its 
parts. — [Editoks. 
, b. Is a solid frame of wood about 5 feet in height. 
■ A cast iron cylinder 7 inches in diameter and 16 inches deep, 
in which the materials are placed. 
• The piston and knife, in position. 
The guiding plate and arms, with the plates on which it slides, 
attached to the frame work. 
