CogHlNQ 



Put it P I tr-in 



J. GRI 



631 Sixth J 



Estal 



Microscope S 

 Oil Immersion 

 ives and Abb( 

 densers for B; 

 and Histologica 

 of Objectives, ( 

 Lucida and oti 

 cessory apparal 



W.H.WALISI 





SUCCESSOR 





B. & J. B 





1D16 Chestnut Si 





Microscopes 





Accessories : 





paratus. Pho 





ic and Phot 



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grapliic Appai 



t^ 



Outfits. 



^ 



Spectacl 



^' 



Glasses, Op 



Marine Glass 



's? 



Illustrated I 





mailed free to 



"^ 



dress. Mention 





in correspondin 



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