VI CONTENTS. 



XI. On Colouring Photographic Transparencies for 



Lantern Slides 145 



XII. The same subject continued 159 



XIII. Description of various Experiments Chemical, 

 Electrical, &c. for Class Instruction, which are 

 possible with the Lantern 171 



XIV. The Lantern as an Aid to the Photographer . . 204 



XV. The Art of Making Photo-Micrographs . .211 



XVI. Enlarging Photographs with the Lantern . 222 



XVII. The Lantern Microscope and the Opaque Lantern . 240 



XVIII. Various Lantern Accessories . . . 250 



XIX. Practical Hints to those who Employ the Lantern 

 for Scientific Demonstration or for Entertain- 

 ments in the Drawing- Koom or Lecture Hall . 2(54 



