List of HUYGENIAN Oculars. 



In subsequent orders for Ocular 2* the factory number of the stand should 

 be stated. 



For the safe-keeping of objectives and oculars, when stored 

 outside the microscope cabinet, may mahoyany lock-up cases (Fit/. 8) 

 be had in various sixes, at a price from M 18. to M 40. . 



Figr. 8. 

 Mahognny case for objectives and oculars. 



