CH. //] 



LAHORA TORY MICROSCOPES 



FIG. 76. The Bausch & Loinb Optical Co's 

 Detachable Mechanical Stage. 



FIG. 77. The Detachable Mechani- 

 cal Stage of Lcitz. 



FIG. 78. The Spencer Lens Co's Detachable Mechanical 

 Stage of Great Range. 



