TABLE OF CONTENTS. 



INTRODUCTION. 



PART I. 



THE MICROSCOPE AND GENERAL MICROSCOPICAL APPARATUS 

 -OF ILLUMINATING OBJECTS OF DRAWING, ENGRAVING, 

 AND MEASURING INSTRUMENTS, GLASS CELLS, CEMENTS, 

 PRESERVATIVE FLUIDS, AND OTHER THINGS REQUIRED IN 

 ORDINARY MICROSCOPICAL WORK. 



The microscope. 



Simple and compound microscopes. 



Negative eye-piece. 



Positive eye-piece. 



Object-glasses. 



Spherical and chromatic aberration. 



Optical Portion of the Microscope. 



Flatness of field. 

 Angular aperture. 



The mirror. 



Mechanical Portion of the Microscope. 



Adjustment for altering the focus. I The stage. 



The body of the microscope. | Diaphragm. 



Students' microscopes. 

 Large microscopes. 



DIFFERENT KINDS OF MICROSCOPES. 



I Binocular microscopes. 



New Binocular for the Highest Magnifying Powers. 



Travelling microscopes. 

 Travelling, dissecting, and vivarium 

 microscopes. 



Clinical pocket, travelling, or class 



microscope. 



Dissecting microscopes. 

 Apparatus necessary for the student. 



Reflected light. 



Artificial illumination. 



Paraffine lamps. 



OF ILLUMINATING OBJECTS. 



| Transmitted light, and polarised light. 



Sources of Illumination. 



Lamps. 



| Gas lamps. 



