66 



Stand XI. 



Monocular image-erecting prism microscope. 



Stand XI introduced by us two years ago is particular!}' suitable for use 

 with the Objective a*. To utilise this system to fullest advantage, the stand has 

 been constructed to allow an object distance of over 10 cm (4 in.) Stage opening 

 and mirror have been designed correspondingly large. The stage, 10 cm square, 

 has an opening 4 cm (iy 2 in.) diameter, which can be reduced to one of 2 cm 

 by means of a stage diaphragm. The universally movable plane and concave 

 mirror is of 7 cm (2 3 /4 in.) diameter. The under part is for the rest similarly 

 construct ed[jas that of Stand X a . Fig. 31. 



Fig. 31. 

 Monocular Prism Microscope. (Y, Full Size.) 



No. 

 9905 



Stand XI, Prism Microscope in alder-wood cabinet 



Marks Codeword 

 140. I'atarafle 



