94 



THE MICROSCOPE. 



iiicTies ; coarse and fine adjustments ; moveable meclia- 

 nical stage as in the larger instrument ; two eye-pieces ; 

 superior objectives of 1 inch, and -^-inch focus, of 15° and 

 80° angidar aperture ; condenser, polarising apparatus and 

 selenite, parabolic reflector, diaphragm, &c., packed in a 

 mahogany case, for the price of 15/. 15s. This instru- 

 ment takes its place among the best of it« class. 



Fig. 49. — Fillischer's 5i. Prize Medal Microscope. 



The instrument fig. 49 Mr. Pillischer designates his 

 fyl. Prize Medal Microscope, is an excellent student's in- 

 strument, simple and novel in its construction, and well 

 adapted to almost any description of work. The body is 

 furnished with a draw- tube and fine adjustment ; the arm 

 which supports this derives additional steadiness from the 

 square solid form given to the box in which the rack and 

 pinion move. A convenient and simple lever-stage, with 

 a double joint, enables the right hand to move the object 



