2O4 



PREPARATION OF LANTERN SLIDES [Cn. VIII 



glass, thin sections of wood or animal organs mounted on glass, 

 fibers of wood, thin cloth, spiders' webs, etc., etc. 



FIG. 114. STANDARD BRITISH, FRENCH, AMERICAN AND GERMAN LANTERN- 

 SLIDES WITH THE CONDENSER NECESSARY TO FULLY ILLUMINATE 

 THEM. (ABOUT HALF NATURAL SIZE). 



316. Hand-made lantern slides. Practically no one now 

 makes the beautiful hand-painted lantern slides of former times; 

 but for outline diagrams, for tables and for short statements, it is 

 easier and cheaper to make the slides direct than to first make a 



