94 THE MICROSCOPE. 



inches ; coarse and fine adjustments ; moveable mecha- 

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

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

 80 angular aperture ; condenser, polarising apparatus and 

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

 mahogany case, for the price of 151. 15s. This instru- 

 ment takes its place among the best of its class. 



Fig. W.Pillischefs 52. Prize Medal Microscope. 



The instrument fig. 49 Mr. Pillischer designates his 

 51. 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 



