CONTENTS ix 



CHAPTER XI 

 SOME SPECIAL PROCESSES 



PAGES 



Photo-micrography by means of Ultra-violet Light The Photography 

 of Metals and Similar Opaque Objects The Photography of 

 Tube- and Plate-cultures of Bacteria Stereoscopic Photo- 

 micrography The Production of Lantern-slides in Colour by 

 the Sanger- Shepherd Three-colour Method The Production of 

 Lantern -slides by the * Autochrome,' ' Thames ' and Dufay 

 Colour Processes ....... 250-282 



CHAPTER XII 



SOME PROGRESSIVE EXAMPLES 



Description of Plates I-X . 283-304 



APPENDICES 



I. Microscopic and Spectroscopic Standards for Measurement 



of Length . . . ' . . . . . : . 305 



II. Weights and Measures . . . .. . . i. 305 



III. Refractive Indices . . . . . . . . 306 



IV. Distance between Lens and Focussing-screen for Given 



Enlargement or Reduction . . , . . 306 



V. Determination of N.A. of Objectives . .... . . 307 



VI. Bibliography . . . . . . . . 310 



INDEX . 313 



