CONTENTS. 



CHAPTER I. 

 HISTORY AND IMPORTANCE or MICROSCOPY. 



Application of the Microscope to Science and Art Progress of Micros- 

 copy, . . 17-21 



CHAPTER II. 

 THE MICROSCOPE. 



The Simple Microscope Chromatic and Spherical Aberration Com- 

 pound Microscope Achromatic Object-glasses Eye-pieces Me- 

 chanical Arrangements Binocular Microscope, . . . 21-32 



CHAPTER III. 



MICROSCOPIC ACCESSORIES. 



Diaphragms Condensers Oblique Illuminators Dark-ground ditto 

 Illumination of Opaque Objects Measuring and Drawing Objects 

 Standards of Measurement Moist Chamber Gas Chamber Warm 

 Stage Polari scope Microspectroscope Nose-piece Object-finders 

 Micro-photography, ........ 32-48 



CHAPTER IV. 



USE OP THE MICROSCOPE. 



Care of the Instrument Care of the Eyes Table Light Adjustments 

 Errors of Interpretation Testing the Microscope, . . 48-58 



B 



