No. 53741. 



Reflection of Light. 



475 







53 737. 1 : 5. 



53710. 1:10. 



53 740. 1 : 5. 



53.711. Reflection Apparatus after Eosenberg (Kleiber, Gymnas., Fig. 206), for showing that s. d. 

 the reflected rays of a punctifoim source of light appear to proceed from a point 

 situated on the rear elongation of all the rays 1. 4. 



53.712. Reflection Apparatus after Friedr. C. G. Miiller (M. T., Fig. 127), for showing that 



the reflected ray lies in one plane with the incident ray and with the axis of incidence 0. 18. 



53.713. Polemoscope (Magic Mirror) (M. T., Fig. 128) . 0. 14. 



53.714. Mirror Arrangement after Porro (M. T., Fig. 129), for reversing an image .... 0. 16. 



Reflecting Prisms (Reversing Prisms), with round base surfaces, of Crown Glass, strictly 

 accurate at all angles, without pyramidal error: 



