SPENCER 

 MICROSCOPES 



AND 



Spencer O b j e c t i v e s 



are unexcelled for 

 PHOTO-MICROGRAPHY 



Large Body-tube ; Draw-tube of standard 

 size, permitting an exchange of oculars when 

 desired. Finest workmanship in construction 

 and finish. SPENCER OBJECTIVES are 

 famous for sharp definition and general ex- 

 cellence. 



SEND FOR CATALOGUE 



SPENCER LENS COMPANY 



BUFFALO, NEW YORK 



