MEDIUM-POWEE PHOTO-MICEOGEAPHY 



Fig. 36 



SPECIAL PHOTOGRAPHIC STAND PREFERRED BY SOME TO THE la STAND 



DIMENSIONS. 



Height when in vertical position and body racked down 



Height of stage 



Height of optical axis when horizontal 

 Spread of foot ..... 

 Diameter of mirror .... 

 Internal diameter of draw tube . 

 Internal diameter of body with tube withdrawn 



INCHES 



7i 

 5 



6| 

 2 



» 



IT 



