Joseph Zentmayer, 

 optician, 



MANUFACTURER OF 



MICROSCOPES 



— AND — 



Microscopic Apparatus, 



147 S. FOURTH ST., 



PHILADELPHIA, 

 PENN. 



00 

 CO 

 CO 



Eh 

 O 



C/2 



p 



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 CO 



MICROSCOPES FROM $38 TO $1,000. 



CATALOGUES ON APPLICATION. 



