IB 



HI) 



METOAU^ 



TABLE OF CONTENTS. 



CHAPTER I. 



OPTICAL PRINCIPLES OF THE MICROSCOPE. 



PAGE 



Laws of Refraction : — Spherical and Chromatic Aberration . . 1 



Simple Microscope 18 



Compound Microscope 23 



Principles of Binocular Vision 27 



Stereoscopic Binocular Microscopes 30 



Nachet's 31 



Wenham's 32 



Nachet's Stereo-pseudoscopic 35 



CHAPTER II. 



CONSTRUCTION OF THE MICROSCOPE. 



General principles 

 Simple Microscopes 



Ross's 



Gairdner's . 



Field's 



Quekett's . 

 Beck's and Nachet's Binocular 

 Compound Microscopes 

 Third-Class Microscopes . 



Field's Educational . 



Crouch's Educational 

 „ Student's . 



Pillischer's Student's 



Murray and Heath's . 

 Second-Class Microscopes 



Smith and Beck' s Student' 



Ladd's Student's 



Nachet's Student's . 



