476 



Reflection of Light. 



No. 53742 



53 747. 1 : 7. 



53 750. 1 : 3. 



Kaleidoscopes, with movable front part, simple construction, on wood stand: 



List No. 53,743 53,744 



Diameter of Image mm 65 80 



0. 5. 0. 10. 



53,745. - - idem, good pattern, on stand 



* 53,746. Projection Kaleidoscope on stand, Figure, giving very pretty images 



53.747. Kaleidoscope for polarised light, Figure, with dark minor. Ts'icol prism, and 

 gypsum objects ". 



53.748. Conical Mirror, Figure, with 6 images (anamorphoses) 



53.749. Cylindrical Mirror, Figure, with 6 images (anamorphoses) 



53.750. Parabolic and Cylindrical Mirror after Rebenstorff, F i g u r e, with indication of the 

 path of rays for parallcly striking rays, for demonstrating reflection and the caustic 

 line, with a template according to which the curvatures are produced 



* Can be used with the Projection Apparatus. 



ri. 1268, 1266. 



4515, 510!). 



s. ,1. 



L>. 0. O 

 1.10.0 



3. (>. o 

 (). in. (i 

 0. 10. 



0. If,. () 



1207, 



