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HENRY CROUCH'S 



First-Class Microscopes. 



Student's Microscope. 



New Family and School 

 Microscope. 



New Series of Objectives. 



New Accessories. 



NEW 



ILLUSTRATED CATALOGUE, ON RECEIPT OF STAMP. MAILED ABROAD FREE. 



HENRY OEOUCH, 66, Barbican, London, E.G. 



Agknts in Asieeica, 

 JAMES W. QUEEN & 00., 924, Chestnut Street, Philadelphia, U.S. 



