PILLISCHER S MICROSCOPE. 



91 



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

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

 and sold as there represented for 61. — a less sum th&n is 

 charged for altering the larger microscopes. 



Fiy. 47.— rilUscliefs No. 1 Binocular Microicoju. 



