TRANSACTIONS OF MICROSCOPICAL SOCIETY. 
DESCRIPTION OF PLATE VI, 
Illustrating the additions that can be made to the ^' Universal 
Microscope/^ as contrived and manufactured by Smith, 
Beck, and Beck. 
Fig. 
1. — The compound body, with three eyepieces and three object-glasses 
attached. 
c.c. Rotating discs. 
B.B. Stop-pins to ditto. 
2. — The binocular body. 
E.E. Draw-tubes to vary the distance of eyepieces, 
r. Tightening milled head to ditto. 
G. Pin attached to binocular prism. 
3. — Stage with actions. 
I. & K. Milled heads for movements. 
L. Ledge for object. 
