PILLISCHER S MICROSCOPE. 



91 



with a double mirror and one pair of eye-pitces, the latter 

 having rack and pinion adjustment. It is seen in fig. 46, 

 and sold as there represented for 61. — a less sum than is 

 charged for altering the larger microscopes. 



Fig. 47. — niHsiTier's No. 1 Binocular Microsoops. 



